Vulnerabilites related to buffalo - wsr-2533dhpl2-bk_firmware
cve-2021-20091
Vulnerability from cvelistv5
Published
2021-04-29 14:29
Modified
2024-08-03 17:30
Severity ?
Summary
The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.
References
https://www.tenable.com/security/research/tra-2021-13x_refsource_MISC
Impacted products
Vendor Product Version
n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3 Version: WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T17:30:07.625Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.tenable.com/security/research/tra-2021-13",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Static Code Injection",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-04-29T14:29:09",
            orgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
            shortName: "tenable",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.tenable.com/security/research/tra-2021-13",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "vulnreport@tenable.com",
               ID: "CVE-2021-20091",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Static Code Injection",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.tenable.com/security/research/tra-2021-13",
                     refsource: "MISC",
                     url: "https://www.tenable.com/security/research/tra-2021-13",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
      assignerShortName: "tenable",
      cveId: "CVE-2021-20091",
      datePublished: "2021-04-29T14:29:09",
      dateReserved: "2020-12-17T00:00:00",
      dateUpdated: "2024-08-03T17:30:07.625Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

cve-2021-20092
Vulnerability from cvelistv5
Published
2021-04-29 14:29
Modified
2024-08-03 17:30
Severity ?
Summary
The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.
References
https://www.tenable.com/security/research/tra-2021-13x_refsource_MISC
Impacted products
Vendor Product Version
n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3 Version: WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T17:30:07.564Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_refsource_MISC",
                     "x_transferred",
                  ],
                  url: "https://www.tenable.com/security/research/tra-2021-13",
               },
            ],
            title: "CVE Program Container",
         },
      ],
      cna: {
         affected: [
            {
               product: "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Improper Access Control",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2021-04-29T14:29:16",
            orgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
            shortName: "tenable",
         },
         references: [
            {
               tags: [
                  "x_refsource_MISC",
               ],
               url: "https://www.tenable.com/security/research/tra-2021-13",
            },
         ],
         x_legacyV4Record: {
            CVE_data_meta: {
               ASSIGNER: "vulnreport@tenable.com",
               ID: "CVE-2021-20092",
               STATE: "PUBLIC",
            },
            affects: {
               vendor: {
                  vendor_data: [
                     {
                        product: {
                           product_data: [
                              {
                                 product_name: "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
                                 version: {
                                    version_data: [
                                       {
                                          version_value: "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
                                       },
                                    ],
                                 },
                              },
                           ],
                        },
                        vendor_name: "n/a",
                     },
                  ],
               },
            },
            data_format: "MITRE",
            data_type: "CVE",
            data_version: "4.0",
            description: {
               description_data: [
                  {
                     lang: "eng",
                     value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.",
                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
                     description: [
                        {
                           lang: "eng",
                           value: "Improper Access Control",
                        },
                     ],
                  },
               ],
            },
            references: {
               reference_data: [
                  {
                     name: "https://www.tenable.com/security/research/tra-2021-13",
                     refsource: "MISC",
                     url: "https://www.tenable.com/security/research/tra-2021-13",
                  },
               ],
            },
         },
      },
   },
   cveMetadata: {
      assignerOrgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
      assignerShortName: "tenable",
      cveId: "CVE-2021-20092",
      datePublished: "2021-04-29T14:29:16",
      dateReserved: "2020-12-17T00:00:00",
      dateUpdated: "2024-08-03T17:30:07.564Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

cve-2021-20090
Vulnerability from cvelistv5
Published
2021-04-29 00:00
Modified
2025-02-06 20:25
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.
References
https://www.tenable.com/security/research/tra-2021-13
https://www.kb.cert.org/vuls/id/914124third-party-advisory
https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/
Impacted products
Vendor Product Version
n/a Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3 Version: WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T17:30:07.572Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://www.tenable.com/security/research/tra-2021-13",
               },
               {
                  name: "VU#914124",
                  tags: [
                     "third-party-advisory",
                     "x_transferred",
                  ],
                  url: "https://www.kb.cert.org/vuls/id/914124",
               },
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  cvssV3_1: {
                     attackComplexity: "LOW",
                     attackVector: "NETWORK",
                     availabilityImpact: "HIGH",
                     baseScore: 9.8,
                     baseSeverity: "CRITICAL",
                     confidentialityImpact: "HIGH",
                     integrityImpact: "HIGH",
                     privilegesRequired: "NONE",
                     scope: "UNCHANGED",
                     userInteraction: "NONE",
                     vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                     version: "3.1",
                  },
               },
               {
                  other: {
                     content: {
                        id: "CVE-2021-20090",
                        options: [
                           {
                              Exploitation: "active",
                           },
                           {
                              Automatable: "yes",
                           },
                           {
                              "Technical Impact": "total",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2025-02-06T20:25:22.891349Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
               {
                  other: {
                     content: {
                        dateAdded: "2021-11-03",
                        reference: "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2021-20090",
                     },
                     type: "kev",
                  },
               },
            ],
            problemTypes: [
               {
                  descriptions: [
                     {
                        cweId: "CWE-22",
                        description: "CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
                        lang: "en",
                        type: "CWE",
                     },
                  ],
               },
            ],
            providerMetadata: {
               dateUpdated: "2025-02-06T20:25:29.587Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "Buffalo WSR-2533DHPL2, Buffalo WSR-2533DHP3",
               vendor: "n/a",
               versions: [
                  {
                     status: "affected",
                     version: "WSR-2533DHPL2 <=1.02, WSR-2533DHP3 <= 1.24",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.",
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Path Traversal",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2023-10-18T11:29:20.400Z",
            orgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
            shortName: "tenable",
         },
         references: [
            {
               url: "https://www.tenable.com/security/research/tra-2021-13",
            },
            {
               name: "VU#914124",
               tags: [
                  "third-party-advisory",
               ],
               url: "https://www.kb.cert.org/vuls/id/914124",
            },
            {
               url: "https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/",
            },
         ],
      },
   },
   cveMetadata: {
      assignerOrgId: "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
      assignerShortName: "tenable",
      cveId: "CVE-2021-20090",
      datePublished: "2021-04-29T00:00:00.000Z",
      dateReserved: "2020-12-17T00:00:00.000Z",
      dateUpdated: "2025-02-06T20:25:29.587Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
}

Vulnerability from fkie_nvd
Published
2021-04-29 15:15
Modified
2024-11-21 05:45
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.
References
vulnreport@tenable.comhttps://www.tenable.com/security/research/tra-2021-13Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2021-13Third Party Advisory
Impacted products
Vendor Product Version
buffalo wsr-2533dhpl2-bk_firmware *
buffalo wsr-2533dhpl2-bk -
buffalo wsr-2533dhp3-bk_firmware *
buffalo wsr-2533dhp3-bk -


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D861729C-023B-4D73-8C4C-BF7E8B0B7045",
                     versionEndIncluding: "1.02",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "1B03FA14-33E3-44D2-8165-197CB446F2D2",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "63232EC8-B2B8-4867-93DB-C0C5147E2730",
                     versionEndIncluding: "1.24",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "7AA91D93-E2B9-4415-B541-1968F1F39814",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly restrict access to sensitive information from an unauthorized actor.",
      },
      {
         lang: "es",
         value: "Las interfaces web de Buffalo WSR-2533DHPL2 versión de firmware anterior a 1.02  e incluyéndola y WSR-2533DHP3 versión de firmware anterior a 1.24 e incluyéndola, no restringen apropiadamente el acceso a información confidencial de un actor no autorizado",
      },
   ],
   id: "CVE-2021-20092",
   lastModified: "2024-11-21T05:45:54.730",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "NONE",
               baseScore: 5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:P/I:N/A:N",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "NONE",
               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-04-29T15:15:10.693",
   references: [
      {
         source: "vulnreport@tenable.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
   ],
   sourceIdentifier: "vulnreport@tenable.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-287",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}

Vulnerability from fkie_nvd
Published
2021-04-29 15:15
Modified
2024-11-21 05:45
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.
References
vulnreport@tenable.comhttps://www.tenable.com/security/research/tra-2021-13Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2021-13Third Party Advisory
Impacted products
Vendor Product Version
buffalo wsr-2533dhpl2-bk_firmware *
buffalo wsr-2533dhpl2-bk -
buffalo wsr-2533dhp3-bk_firmware *
buffalo wsr-2533dhp3-bk -


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D861729C-023B-4D73-8C4C-BF7E8B0B7045",
                     versionEndIncluding: "1.02",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "1B03FA14-33E3-44D2-8165-197CB446F2D2",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "63232EC8-B2B8-4867-93DB-C0C5147E2730",
                     versionEndIncluding: "1.24",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "7AA91D93-E2B9-4415-B541-1968F1F39814",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "The web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 do not properly sanitize user input. An authenticated remote attacker could leverage this vulnerability to alter device configuration, potentially gaining remote code execution.",
      },
      {
         lang: "es",
         value: "Las interfaces web de Buffalo WSR-2533DHPL2 versión de firmware anterior a 1.02 e incluyéndola y WSR-2533DHP3 versión de firmware anterior a 1.24 e incluyéndola, no sanean apropiadamente una entrada del usuario.&#xa0;Un atacante remoto autenticado podría aprovechar esta vulnerabilidad para alterar la configuración del dispositivo, potencialmente consiguiendo una ejecución de código remota",
      },
   ],
   id: "CVE-2021-20091",
   lastModified: "2024-11-21T05:45:54.603",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "SINGLE",
               availabilityImpact: "PARTIAL",
               baseScore: 6.5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:S/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 8,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 8.8,
               baseSeverity: "HIGH",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 2.8,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-04-29T15:15:10.660",
   references: [
      {
         source: "vulnreport@tenable.com",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
   ],
   sourceIdentifier: "vulnreport@tenable.com",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "NVD-CWE-noinfo",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}

Vulnerability from fkie_nvd
Published
2021-04-29 15:15
Modified
2025-03-19 20:56
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.
References
vulnreport@tenable.comhttps://www.kb.cert.org/vuls/id/914124Third Party Advisory, US Government Resource
vulnreport@tenable.comhttps://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/Exploit, Third Party Advisory
vulnreport@tenable.comhttps://www.tenable.com/security/research/tra-2021-13Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/914124Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/research/tra-2021-13Exploit, Third Party Advisory
Impacted products
Vendor Product Version
buffalo wsr-2533dhpl2-bk_firmware *
buffalo wsr-2533dhpl2-bk -
buffalo wsr-2533dhp3-bk_firmware *
buffalo wsr-2533dhp3-bk -


To clipboard 

{
   cisaActionDue: "2021-11-17",
   cisaExploitAdd: "2021-11-03",
   cisaRequiredAction: "Apply updates per vendor instructions.",
   cisaVulnerabilityName: "Arcadyan Buffalo Firmware Path Traversal Vulnerability",
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhpl2-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "D861729C-023B-4D73-8C4C-BF7E8B0B7045",
                     versionEndIncluding: "1.02",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhpl2-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "1B03FA14-33E3-44D2-8165-197CB446F2D2",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:buffalo:wsr-2533dhp3-bk_firmware:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "63232EC8-B2B8-4867-93DB-C0C5147E2730",
                     versionEndIncluding: "1.24",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:h:buffalo:wsr-2533dhp3-bk:-:*:*:*:*:*:*:*",
                     matchCriteriaId: "7AA91D93-E2B9-4415-B541-1968F1F39814",
                     vulnerable: false,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
         operator: "AND",
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "A path traversal vulnerability in the web interfaces of Buffalo WSR-2533DHPL2 firmware version <= 1.02 and WSR-2533DHP3 firmware version <= 1.24 could allow unauthenticated remote attackers to bypass authentication.",
      },
      {
         lang: "es",
         value: "Una vulnerabilidad de salto de ruta en las interfaces web de Buffalo WSR-2533DHPL2 versión de firmware anterior a 1.02 e incluyéndola y WSR-2533DHP3 versión de firmware anterior a 1.24 e incluyéndola, podría permitir a atacantes remotos no autenticados omitir la autenticación",
      },
   ],
   id: "CVE-2021-20090",
   lastModified: "2025-03-19T20:56:01.547",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "HIGH",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 7.5,
               confidentialityImpact: "PARTIAL",
               integrityImpact: "PARTIAL",
               vectorString: "AV:N/AC:L/Au:N/C:P/I:P/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 6.4,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               baseSeverity: "CRITICAL",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "nvd@nist.gov",
            type: "Primary",
         },
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "NETWORK",
               availabilityImpact: "HIGH",
               baseScore: 9.8,
               baseSeverity: "CRITICAL",
               confidentialityImpact: "HIGH",
               integrityImpact: "HIGH",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 5.9,
            source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            type: "Secondary",
         },
      ],
   },
   published: "2021-04-29T15:15:10.630",
   references: [
      {
         source: "vulnreport@tenable.com",
         tags: [
            "Third Party Advisory",
            "US Government Resource",
         ],
         url: "https://www.kb.cert.org/vuls/id/914124",
      },
      {
         source: "vulnreport@tenable.com",
         tags: [
            "Exploit",
            "Third Party Advisory",
         ],
         url: "https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/",
      },
      {
         source: "vulnreport@tenable.com",
         tags: [
            "Exploit",
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Third Party Advisory",
            "US Government Resource",
         ],
         url: "https://www.kb.cert.org/vuls/id/914124",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Third Party Advisory",
         ],
         url: "https://www.secpod.com/blog/arcadyan-based-routers-and-modems-under-active-exploitation/",
      },
      {
         source: "af854a3a-2127-422b-91ae-364da2661108",
         tags: [
            "Exploit",
            "Third Party Advisory",
         ],
         url: "https://www.tenable.com/security/research/tra-2021-13",
      },
   ],
   sourceIdentifier: "vulnreport@tenable.com",
   vulnStatus: "Analyzed",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-22",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
      {
         description: [
            {
               lang: "en",
               value: "CWE-22",
            },
         ],
         source: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
         type: "Secondary",
      },
   ],
}