Vulnerability-Lookup

CNVD-2022-20074

Vulnerability from cnvd - Published: 2022-03-16

Title

TP-Link TL-WR886N缓冲区溢出漏洞（CNVD-2022-20074）

Description

TP-LINK TL-WR886N是中国普联（Tp-link）公司的一款路由器。 TP-LINK TL-WR886N 20190826 2.3.8版本中存在缓冲区溢出漏洞，该漏洞源于 /cloud_config/router_post/register功能中在内存上执行操作时，未正确验证数据边界，经过身份验证的攻击者可利用该漏洞通过精心设计的 post 请求在系统上执行任意代码。

Severity

高

Patch Name

TP-Link WR886N缓冲区溢出漏洞（CNVD-2022-20074）的补丁

Patch Description

TP-LINK WR886N是中国普联（Tp-link）公司的一款路由器。 TP-LINK WR886N 20190826 2.3.8版本中存在缓冲区溢出漏洞，该漏洞源于 /cloud_config/router_post/register功能中在内存上执行操作时，未正确验证数据边界，经过身份验证的攻击者可利用该漏洞通过精心设计的 post 请求在系统上执行任意代码。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

厂商已发布了漏洞修复程序，请及时关注更新： https://service.tp-link.com.cn/search_download?classtip=software&kw=TL-WR886N&downloadPageNum=1&readmore=0

Reference

https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister

Impacted products

Name
TP-LINK TL-WR886N 20190826_2.3.8

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44629",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-44629"
    }
  },
  "description": "TP-LINK TL-WR886N\u662f\u4e2d\u56fd\u666e\u8054\uff08Tp-link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\n\nTP-LINK TL-WR886N 20190826 2.3.8\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e /cloud_config/router_post/register\u529f\u80fd\u4e2d\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684 post \u8bf7\u6c42\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://service.tp-link.com.cn/search_download?classtip=software\u0026kw=TL-WR886N\u0026downloadPageNum=1\u0026readmore=0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-20074",
  "openTime": "2022-03-16",
  "patchDescription": "TP-LINK WR886N\u662f\u4e2d\u56fd\u666e\u8054\uff08Tp-link\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u8def\u7531\u5668\u3002\r\n\r\nTP-LINK WR886N 20190826 2.3.8\u7248\u672c\u4e2d\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e /cloud_config/router_post/register\u529f\u80fd\u4e2d\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u7ecf\u8fc7\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u7cbe\u5fc3\u8bbe\u8ba1\u7684 post \u8bf7\u6c42\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\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": "TP-Link WR886N\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-20074\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "TP-LINK TL-WR886N 20190826_2.3.8"
  },
  "referenceLink": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-14",
  "title": "TP-Link TL-WR886N\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2022-20074\uff09"
}

CVE-2021-44629 (GCVE-0-2021-44629)

Vulnerability from cvelistv5 – Published: 2022-03-09 21:50 – Updated: 2024-08-04 04:25

Summary

A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to execute arbitrary code on the system via a crafted post request.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/Yu3H0/IoT_CVE/tree/main/886N/r…

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T04:25:16.834Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
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            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to execute arbitrary code on the system via a crafted post request."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-03-09T21:50:44.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-44629",
          "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": {
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              "lang": "eng",
              "value": "A Buffer Overflow vulnerabilitiy exists in TP-LINK WR-886N 20190826 2.3.8 in the /cloud_config/router_post/register feature, which allows malicious users to execute arbitrary code on the system via a crafted post request."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister",
              "refsource": "MISC",
              "url": "https://github.com/Yu3H0/IoT_CVE/tree/main/886N/registerRegister"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-44629",
    "datePublished": "2022-03-09T21:50:44.000Z",
    "dateReserved": "2021-12-06T00:00:00.000Z",
    "dateUpdated": "2024-08-04T04:25:16.834Z",
    "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-2022-20074

CVE-2021-44629 (GCVE-0-2021-44629)

Tags

Sightings

Nomenclature