Vulnerability-Lookup

CNVD-2022-22299

Vulnerability from cnvd - Published: 2022-03-24

Title

Tenda AC15 V1.0 Firmware身份验证绕过漏洞

Description

Tenda AC15是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC15 V1.0 Firmware 15.03.05.20_multi和15.03.06.48_multi版本存在身份验证绕过漏洞。攻击者可利用该漏洞获取敏感信息，并在经过身份认证的情况下通过命令注入导致远程代码执行（RCE）。

Severity

高

Formal description

目前厂商还没有提供补丁或者升级程序，我们建议使用此软件的用户随时关注厂商的主页以获取最新版本：
http://www.tenda.cn/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-44971

Impacted products

Name
['Tenda AC15V1.0 15.03.05.20_multi', 'Tenda AC15V1.0 15.03.06.48_multi']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-44971",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-44971"
    }
  },
  "description": "Tenda AC15\u662f\u4e2d\u56fd\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC15 V1.0 Firmware 15.03.05.20_multi\u548c15.03.06.48_multi\u7248\u672c\u5b58\u5728\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u5e76\u5728\u7ecf\u8fc7\u8eab\u4efd\u8ba4\u8bc1\u7684\u60c5\u51b5\u4e0b\u901a\u8fc7\u547d\u4ee4\u6ce8\u5165\u5bfc\u81f4\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\uff08RCE\uff09\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u8fd8\u6ca1\u6709\u63d0\u4f9b\u8865\u4e01\u6216\u8005\u5347\u7ea7\u7a0b\u5e8f\uff0c\u6211\u4eec\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u7684\u4e3b\u9875\u4ee5\u83b7\u53d6\u6700\u65b0\u7248\u672c\uff1a  \r\nhttp://www.tenda.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-22299",
  "openTime": "2022-03-24",
  "products": {
    "product": [
      "Tenda AC15V1.0 15.03.05.20_multi",
      "Tenda AC15V1.0 15.03.06.48_multi"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44971",
  "serverity": "\u9ad8",
  "submitTime": "2022-03-23",
  "title": "Tenda AC15 V1.0 Firmware\u8eab\u4efd\u9a8c\u8bc1\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2021-44971 (GCVE-0-2021-44971)

Vulnerability from cvelistv5 – Published: 2022-01-28 18:17 – Updated: 2026-07-09 00:15

Summary

Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/21Gun5/my_cve/blob/main/tenda/…

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2026-07-09T00:15:59.279Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-05T15:49:39.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-44971",
          "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": "Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05.20_multi?AC5V1.0 Firmware V15.03.06.48_multi and so on. an attacker can obtain sensitive information, and even combine it with authenticated command injection to implement RCE."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "http://tenda.com",
              "refsource": "MISC",
              "url": "http://tenda.com"
            },
            {
              "name": "http://ac15v10.com",
              "refsource": "MISC",
              "url": "http://ac15v10.com"
            },
            {
              "name": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md",
              "refsource": "MISC",
              "url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-44971",
    "datePublished": "2022-01-28T18:17:04.000Z",
    "dateReserved": "2021-12-13T00:00:00.000Z",
    "dateUpdated": "2026-07-09T00:15:59.279Z",
    "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.

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.