Vulnerability-Lookup

CNVD-2017-06904

Vulnerability from cnvd - Published: 2017-05-18

Title

TP-Link C2和C20i安全绕过漏洞（CNVD-2017-06904）

Description

TP-LINK C2和C20i等都是中国普联（TP-LINK）公司的无线路由器产品。vsftpd是一个UNIX类操作系统上运行的服务器。 TP-Link C2和C20i存在安全绕过漏洞，允许远程攻击者可利用该漏洞提交特殊的请求绕过安全限制，执行未授权的操作。

Severity

高

Patch Name

TP-Link C2和C20i安全绕过漏洞（CNVD-2017-06904）的补丁

Patch Description

TP-LINK C2和C20i等都是中国普联（TP-LINK）公司的无线路由器产品。vsftpd是一个UNIX类操作系统上运行的服务器。 TP-Link C2和C20i存在安全绕过漏洞，允许远程攻击者可利用该漏洞提交特殊的请求绕过安全限制，执行未授权的操作。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html

Reference

https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html https://nvd.nist.gov/vuln/detail/CVE-2017-8218

Impacted products

Name
['TP-Link C2 firmware <=0.9.1 4.2 v0032.0 Build 160706 Rel.37961n', 'TP-Link C20i firmware <=0.9.1 4.2 v0032.0 Build 160706 Rel.37961n']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8218",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8218"
    }
  },
  "description": "TP-LINK C2\u548cC20i\u7b49\u90fd\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-LINK\uff09\u516c\u53f8\u7684\u65e0\u7ebf\u8def\u7531\u5668\u4ea7\u54c1\u3002vsftpd\u662f\u4e00\u4e2aUNIX\u7c7b\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u7684\u670d\u52a1\u5668\u3002\r\n\r\nTP-Link C2\u548cC20i\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\u3002",
  "discovererName": "Pierre",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-06904",
  "openTime": "2017-05-18",
  "patchDescription": "TP-LINK C2\u548cC20i\u7b49\u90fd\u662f\u4e2d\u56fd\u666e\u8054\uff08TP-LINK\uff09\u516c\u53f8\u7684\u65e0\u7ebf\u8def\u7531\u5668\u4ea7\u54c1\u3002vsftpd\u662f\u4e00\u4e2aUNIX\u7c7b\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8fd0\u884c\u7684\u670d\u52a1\u5668\u3002\r\n\r\nTP-Link C2\u548cC20i\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff0c\u5141\u8bb8\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u63d0\u4ea4\u7279\u6b8a\u7684\u8bf7\u6c42\u7ed5\u8fc7\u5b89\u5168\u9650\u5236\uff0c\u6267\u884c\u672a\u6388\u6743\u7684\u64cd\u4f5c\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": "TP-Link C2\u548cC20i\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2017-06904\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "TP-Link  C2 firmware \u003c=0.9.1 4.2 v0032.0 Build 160706 Rel.37961n",
      "TP-Link C20i firmware \u003c=0.9.1 4.2 v0032.0 Build 160706 Rel.37961n"
    ]
  },
  "referenceLink": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8218",
  "serverity": "\u9ad8",
  "submitTime": "2017-04-27",
  "title": "TP-Link C2\u548cC20i\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\uff08CNVD-2017-06904\uff09"
}

CVE-2017-8218 (GCVE-0-2017-8218)

Vulnerability from cvelistv5 – Published: 2017-04-25 20:00 – Updated: 2024-09-16 18:34

Summary

vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://pierrekim.github.io/blog/2017-02-09-tplin…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T16:27:23.205Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-04-25T20:00:00Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-8218",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "vsftpd on TP-Link C2 and C20i devices through firmware 0.9.1 4.2 v0032.0 Build 160706 Rel.37961n has a backdoor admin account with the 1234 password, a backdoor guest account with the guest password, and a backdoor test account with the test password."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html",
              "refsource": "MISC",
              "url": "https://pierrekim.github.io/blog/2017-02-09-tplink-c2-and-c20i-vulnerable.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-8218",
    "datePublished": "2017-04-25T20:00:00Z",
    "dateReserved": "2017-04-25T00:00:00Z",
    "dateUpdated": "2024-09-16T18:34:45.598Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

CNVD-2017-06904

CVE-2017-8218 (GCVE-0-2017-8218)

Tags

Sightings

Nomenclature