Vulnerability-Lookup

CNVD-2023-70090

Vulnerability from cnvd - Published: 2023-09-20

Title

Tenda AC6拒绝服务漏洞

Description

Tenda AC6是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC6存在拒绝服务漏洞。该漏洞源于未对输入的错误消息做正确的处理，攻击者可利用该漏洞通过wifiPwd_5G参数中的长字符串造成拒绝服务（设备崩溃）。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/doudoudedi/buffer_overflow/blob/main/Tenda%20AC6%20V4.0-Denial%20of%20Service%20Vulnerability.md

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-40546

Impacted products

Name
Tenda AC6 02.03.01.26

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40546",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-40546"
    }
  },
  "description": "Tenda AC6\u662f\u4e2d\u56fd\u817e\u8fbe\uff08Tenda\uff09\u516c\u53f8\u7684\u4e00\u6b3e\u65e0\u7ebf\u8def\u7531\u5668\u3002\n\nTenda AC6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u672a\u5bf9\u8f93\u5165\u7684\u9519\u8bef\u6d88\u606f\u505a\u6b63\u786e\u7684\u5904\u7406\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7wifiPwd_5G\u53c2\u6570\u4e2d\u7684\u957f\u5b57\u7b26\u4e32\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u8bbe\u5907\u5d29\u6e83\uff09\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/doudoudedi/buffer_overflow/blob/main/Tenda%20AC6%20V4.0-Denial%20of%20Service%20Vulnerability.md",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-70090",
  "openTime": "2023-09-20",
  "products": {
    "product": "Tenda AC6 02.03.01.26"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-40546",
  "serverity": "\u4e2d",
  "submitTime": "2023-09-11",
  "title": "Tenda AC6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2021-40546 (GCVE-0-2021-40546)

Vulnerability from cvelistv5 – Published: 2023-09-05 00:00 – Updated: 2024-10-01 13:11

Summary

Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/doudoudedi/buffer_overflow/blo…

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T02:44:10.869Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/doudoudedi/buffer_overflow/blob/main/Tenda%20AC6%20V4.0-Denial%20of%20Service%20Vulnerability.md"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:tenda:ac6:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ac6",
            "vendor": "tenda",
            "versions": [
              {
                "status": "affected",
                "version": "us_ac6v4.0rtl_v02.03.01.26_cn.bin"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-40546",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-01T13:10:34.474804Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-01T13:11:51.877Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Tenda AC6 US_AC6V4.0RTL_V02.03.01.26_cn.bin allows attackers (who have the administrator password) to cause a denial of service (device crash) via a long string in the wifiPwd_5G parameter to /goform/setWifi."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-05T18:39:24.445Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/doudoudedi/buffer_overflow/blob/main/Tenda%20AC6%20V4.0-Denial%20of%20Service%20Vulnerability.md"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-40546",
    "datePublished": "2023-09-05T00:00:00.000Z",
    "dateReserved": "2021-09-07T00:00:00.000Z",
    "dateUpdated": "2024-10-01T13:11:51.877Z",
    "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.

Action not permitted

CNVD-2023-70090

CVE-2021-40546 (GCVE-0-2021-40546)

Tags

Sightings

Nomenclature