FKIE_CVE-2021-44971

Vulnerability from fkie_nvd - Published: 2022-01-28 19:15 - Updated: 2026-07-09 01:17
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
References
cve@mitre.orghttps://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.mdBroken Link
af854a3a-2127-422b-91ae-364da2661108https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.mdBroken Link
Impacted products
Vendor Product Version
tenda ac15_firmware 15.03.05.20_multi
tenda ac15 1.0
tenda ac5_firmware 15.03.06.48_multi
tenda ac5 1.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tenda:ac15_firmware:15.03.05.20_multi:*:*:*:*:*:*:*",
              "matchCriteriaId": "BAF4BBA3-7C56-4383-B167-933075D5C39F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:tenda:ac15:1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D5059CAD-BD1A-4808-BCED-006444E60701",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tenda:ac5_firmware:15.03.06.48_multi:*:*:*:*:*:*:*",
              "matchCriteriaId": "E540AF96-2B4E-4223-B15A-8DA89D2D12F1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:tenda:ac5:1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D141716B-56F0-4061-9D87-943B7858F2F4",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "M\u00faltiples dispositivos Tenda est\u00e1n afectados por una omisi\u00f3n de autenticaci\u00f3n, como AC15V1.0 Firmware versi\u00f3n V15.03.05.20_multi... AC5V1.0 Firmware versi\u00f3n V15.03.06.48_multi, etc. un atacante puede obtener informaci\u00f3n confidencial, e incluso combinarla con una inyecci\u00f3n de comandos autenticados para implementar RCE"
    }
  ],
  "id": "CVE-2021-44971",
  "lastModified": "2026-07-09T01:17:10.073",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-01-28T19:15:07.963",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Broken Link"
      ],
      "url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Broken Link"
      ],
      "url": "https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-697"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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