Vulnerability-Lookup

JVNDB-2025-000103

Vulnerability from jvndb - Published: 2025-11-07 06:39 - Updated:2025-11-07 06:39

Severity

4.3 (Medium) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Use of password hash with insufficient computational effort vulnerability in BUFFALO Wi-Fi router "WSR-1800AX4 series"

Details

Wi-Fi router "WSR-1800AX4 series" provided by BUFFALO INC. contains the following vulnerability. * Use of password hash with insufficient computational effort (CWE-916) - CVE-2025-46413 Kazuaki Chikamori and Takayuki Tatekawa of National Institute of Technology, Kochi College reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

References

Type

URL

	JVN	https://jvn.jp/en/jp/JVN13754005/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2025-46413
	No Mapping(CWE-Other)	https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html

Impacted products

Vendor

Product

	BUFFALO INC.	WSR-1800AX4-KH firmware
	BUFFALO INC.	WSR-1800AX4B firmware
	BUFFALO INC.	WSR-1800AX4S firmware
	BUFFALO INC.	WSR-1800AX4 firmware

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000103.html",
  "dc:date": "2025-11-07T15:39+09:00",
  "dcterms:issued": "2025-11-07T15:39+09:00",
  "dcterms:modified": "2025-11-07T15:39+09:00",
  "description": "Wi-Fi router \"WSR-1800AX4 series\" provided by BUFFALO INC. contains the following vulnerability.\r\n\r\n* Use of password hash with insufficient computational effort (CWE-916) - CVE-2025-46413\r\n\r\nKazuaki Chikamori and Takayuki Tatekawa of National Institute of Technology, Kochi College reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000103.html",
  "sec:cpe": [
    {
      "#text": "cpe:/o:buffalo_inc:wsr-1800ax4-kh_firmware",
      "@product": "WSR-1800AX4-KH firmware",
      "@vendor": "BUFFALO INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:buffalo_inc:wsr-1800ax4b_firmware",
      "@product": "WSR-1800AX4B firmware",
      "@vendor": "BUFFALO INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:buffalo_inc:wsr-1800ax4s_firmware",
      "@product": "WSR-1800AX4S firmware",
      "@vendor": "BUFFALO INC.",
      "@version": "2.2"
    },
    {
      "#text": "cpe:/o:buffalo_inc:wsr-1800ax4_firmware",
      "@product": "WSR-1800AX4 firmware",
      "@vendor": "BUFFALO INC.",
      "@version": "2.2"
    }
  ],
  "sec:cvss": {
    "@score": "4.3",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000103",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN13754005/index.html",
      "@id": "JVN#13754005",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-46413",
      "@id": "CVE-2025-46413",
      "@source": "CVE"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Use of password hash with insufficient computational effort vulnerability in BUFFALO Wi-Fi router \"WSR-1800AX4 series\""
}

CVE-2025-46413 (GCVE-0-2025-46413)

Vulnerability from cvelistv5 – Published: 2025-11-07 08:51 – Updated: 2025-11-07 13:15

Summary

Use of password hash with insufficient computational effort issue exists in BUFFALO Wi-Fi router 'WSR-1800AX4 series'. When WPS is enabled, PIN code and/or Wi-Fi password may be obtained by an attacker.

Severity

4.3 (Medium)


                        
                          CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

5.3 (Medium)


                        
                          CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-11-07 13:14 UTC

CWE

CWE-916 - Use of password hash with insufficient computational effort

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.buffalo.jp/news/detail/20251107-01.html
https://jvn.jp/en/jp/JVN13754005/

Impacted products

4 products

Vendor	Product	Version
BUFFALO INC.	WSR-1800AX4	Affected: prior to Ver.1.09
BUFFALO INC.	WSR-1800AX4S	Affected: prior to Ver.1.11
BUFFALO INC.	WSR-1800AX4B	Affected: prior to Ver.1.11
BUFFALO INC.	WSR-1800AX4-KH	Affected: prior to Ver.1.19

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-46413",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-11-07T13:14:56.223820Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-11-07T13:15:18.610Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "WSR-1800AX4",
          "vendor": "BUFFALO INC.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to Ver.1.09"
            }
          ]
        },
        {
          "product": "WSR-1800AX4S",
          "vendor": "BUFFALO INC.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to Ver.1.11"
            }
          ]
        },
        {
          "product": "WSR-1800AX4B",
          "vendor": "BUFFALO INC.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to Ver.1.11"
            }
          ]
        },
        {
          "product": "WSR-1800AX4-KH",
          "vendor": "BUFFALO INC.",
          "versions": [
            {
              "status": "affected",
              "version": "prior to Ver.1.19"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Use of password hash with insufficient computational effort issue exists in BUFFALO Wi-Fi router \u0027WSR-1800AX4 series\u0027. When WPS is enabled, PIN code and/or Wi-Fi password may be obtained by an attacker."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          },
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          "scenarios": [
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            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-916",
              "description": "Use of password hash with insufficient computational effort",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-07T08:51:52.847Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.buffalo.jp/news/detail/20251107-01.html"
        },
        {
          "url": "https://jvn.jp/en/jp/JVN13754005/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2025-46413",
    "datePublished": "2025-11-07T08:51:52.847Z",
    "dateReserved": "2025-10-30T02:34:37.562Z",
    "dateUpdated": "2025-11-07T13:15:18.610Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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JVNDB-2025-000103

CVE-2025-46413 (GCVE-0-2025-46413)

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