Vulnerability-Lookup

CNVD-2021-94835

Vulnerability from cnvd - Published: 2021-12-07

Title

D-Link DIR-605L信息泄露漏洞

Description

D-Link DIR-605L是D-link公司推出的第一款云路由器，传输速度为300Mpbs。 D-Link DIR-605L存在信息泄露漏洞。攻击者可通过伪造对/getcfg.php页面的post请求利用该漏洞获取用户名和密码。

Severity

中

Patch Name

D-Link DIR-605L信息泄露漏洞的补丁

Patch Description

D-Link DIR-605L是D-link公司推出的第一款云路由器，传输速度为300Mpbs。 D-Link DIR-605L存在信息泄露漏洞。攻击者可通过伪造对/getcfg.php页面的post请求利用该漏洞获取用户名和密码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.dlink.com/en/security-bulletin/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-40655

Impacted products

Name
D-Link DIR-605L B2 2.01MT

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40655",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-40655"
    }
  },
  "description": "D-Link DIR-605L\u662fD-link\u516c\u53f8\u63a8\u51fa\u7684\u7b2c\u4e00\u6b3e\u4e91\u8def\u7531\u5668\uff0c\u4f20\u8f93\u901f\u5ea6\u4e3a300Mpbs\u3002\n\nD-Link DIR-605L\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f2a\u9020\u5bf9/getcfg.php\u9875\u9762\u7684post\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.dlink.com/en/security-bulletin/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-94835",
  "openTime": "2021-12-07",
  "patchDescription": "D-Link DIR-605L\u662fD-link\u516c\u53f8\u63a8\u51fa\u7684\u7b2c\u4e00\u6b3e\u4e91\u8def\u7531\u5668\uff0c\u4f20\u8f93\u901f\u5ea6\u4e3a300Mpbs\u3002\r\n\r\nD-Link DIR-605L\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f2a\u9020\u5bf9/getcfg.php\u9875\u9762\u7684post\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "D-Link DIR-605L\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "D-Link DIR-605L B2 2.01MT"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-40655",
  "serverity": "\u4e2d",
  "submitTime": "2021-09-26",
  "title": "D-Link DIR-605L\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}

CVE-2021-40655 (GCVE-0-2021-40655)

Vulnerability from cvelistv5 – Published: 2021-09-24 20:11 – Updated: 2025-10-21 23:25

Summary

An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: active Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-04 15:44 UTC

CWE

n/a
CWE-863 - Incorrect Authorization

Assigner

mitre mitre root

References

3 references

URL	Tags
https://www.dlink.com/en/security-bulletin/	x_refsource_MISC
https://github.com/Ilovewomen/D-LINK-DIR-605/	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Impacted products

2 products

Vendor	Product	Version
dlink	dir-605l_firmware	Affected: 2.01mt cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:::::::*
dlink	dir-605l	Affected: b2 cpe:2.3:h:dlink:dir-605l:b2:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:dlink:dir-605l_firmware:2.01mt:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dir-605l_firmware",
            "vendor": "dlink",
            "versions": [
              {
                "status": "affected",
                "version": "2.01mt"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:h:dlink:dir-605l:b2:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "dir-605l",
            "vendor": "dlink",
            "versions": [
              {
                "status": "affected",
                "version": "b2"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "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"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2024-05-16",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40655"
              },
              "type": "kev"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-40655",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-04T15:44:50.037442Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-863",
                "description": "CWE-863 Incorrect Authorization",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:25:31.176Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40655"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2024-05-16T00:00:00.000Z",
            "value": "CVE-2021-40655 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:51:06.418Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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            "url": "https://www.dlink.com/en/security-bulletin/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/Ilovewomen/D-LINK-DIR-605/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
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              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
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        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
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          "url": "https://www.dlink.com/en/security-bulletin/"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Ilovewomen/D-LINK-DIR-605/"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40655",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
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                      }
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        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
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              "value": "An informtion disclosure issue exists in D-LINK-DIR-605 B2 Firmware Version : 2.01MT. An attacker can obtain a user name and password by forging a post request to the / getcfg.php page"
            }
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        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.dlink.com/en/security-bulletin/",
              "refsource": "MISC",
              "url": "https://www.dlink.com/en/security-bulletin/"
            },
            {
              "name": "https://github.com/Ilovewomen/D-LINK-DIR-605/",
              "refsource": "MISC",
              "url": "https://github.com/Ilovewomen/D-LINK-DIR-605/"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-40655",
    "datePublished": "2021-09-24T20:11:51.000Z",
    "dateReserved": "2021-09-07T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:25:31.176Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.