Vulnerability-Lookup

CNVD-2020-27250

Vulnerability from cnvd - Published: 2020-05-09

Title

D-Link DSL-2640B B2缓冲区错误漏洞

Description

D-Link DSL-2640B B2是中国台湾友讯（D-Link）公司的一款无线路由器。 D-Link DSL-2640B B2 EU_4.01B版本中的‘do_cgi()’函数存在缓冲区错误漏洞。攻击者可通过在URL中提供恶意的cgi模块名利用该漏洞利用该漏洞在设备上以管理权限执行代码。

Severity

高

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： https://www.dlink.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2020-9276

Impacted products

Name
D-Link DSL-2640B B2 EU_4.01B

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-9276"
    }
  },
  "description": "D-Link DSL-2640B B2\u662f\u4e2d\u56fd\u53f0\u6e7e\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nD-Link DSL-2640B B2 EU_4.01B\u7248\u672c\u4e2d\u7684\u2018do_cgi()\u2019\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u5728URL\u4e2d\u63d0\u4f9b\u6076\u610f\u7684cgi\u6a21\u5757\u540d\u5229\u7528\u8be5\u6f0f\u6d1e\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u8bbe\u5907\u4e0a\u4ee5\u7ba1\u7406\u6743\u9650\u6267\u884c\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttps://www.dlink.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-27250",
  "openTime": "2020-05-09",
  "products": {
    "product": "D-Link DSL-2640B B2 EU_4.01B"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-9276",
  "serverity": "\u9ad8",
  "submitTime": "2020-04-21",
  "title": "D-Link DSL-2640B B2\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e"
}

CVE-2020-9276 (GCVE-0-2020-9276)

Vulnerability from cvelistv5 – Published: 2020-04-20 22:40 – Updated: 2024-08-04 10:26

Summary

An issue was discovered on D-Link DSL-2640B B2 EU_4.01B devices. The function do_cgi(), which processes cgi requests supplied to the device's web servers, is vulnerable to a remotely exploitable stack-based buffer overflow. Unauthenticated exploitation is possible by combining this vulnerability with CVE-2020-9277.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

3 references

URL	Tags
https://www.dlink.com/en/security-bulletin	x_refsource_MISC
https://raelize.com/posts/d-link-dsl-2640b-securi…	x_refsource_MISC
https://raelize.com/advisories/CVE-2020-9276_D-Li…	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:26:16.039Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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            ],
            "url": "https://www.dlink.com/en/security-bulletin"
          },
          {
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              "x_transferred"
            ],
            "url": "https://raelize.com/posts/d-link-dsl-2640b-security-advisories/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        }
      ],
      "problemTypes": [
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          "url": "https://www.dlink.com/en/security-bulletin"
        },
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          "url": "https://raelize.com/posts/d-link-dsl-2640b-security-advisories/"
        },
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          "url": "https://raelize.com/advisories/CVE-2020-9276_D-Link-DSL-2640B_do_cgi-buffer-overflow_v1.0.txt"
        }
      ],
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          "ID": "CVE-2020-9276",
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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.

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.

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CNVD-2020-27250

CVE-2020-9276 (GCVE-0-2020-9276)

Tags

Sightings

Nomenclature

Related by attack behaviour