{"id":"CVE-2021-44971","aliases":["EUVD-2021-31769","GHSA-cvxm-mgpf-m49w"],"status":"published","title":"Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05...","description":"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":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.021,"percentile":0.81837,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-697"],"published":"2022-01-28T18:17:04Z","modified":"2026-07-09T01:17:10Z","products":[{"vendor":"tenda","product":"ac15_firmware"},{"vendor":"tenda","product":"ac5_firmware"}],"references":[{"url":"https://github.com/21Gun5/my_cve/blob/main/tenda/bypass_auth.md","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44971"},{"url":"http://ac15v10.com"},{"url":"http://tenda.com"},{"url":"https://github.com/advisories/GHSA-cvxm-mgpf-m49w"}],"sources":{"cve":[{"id":"CVE-2021-44971","description":"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.","status":"published","published":"2022-01-28T18:17:04Z","modified":"2026-07-09T00:15:59.279Z","updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-31769","description":"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.","status":"published","published":"2022-01-28T18:17:04Z","modified":"2026-07-09T00:15:59Z","updated_at":"2026-11-02T18:20:08.60883Z"}],"ghsa":[{"id":"GHSA-cvxm-mgpf-m49w","title":"Multiple Tenda devices are affected by authentication bypass, such as AC15V1.0 Firmware V15.03.05...","description":"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.","status":"published","published":"2022-01-29T00:00:46Z","modified":"2026-07-05T00:32:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287","CWE-697"],"updated_at":"2026-11-02T15:09:14.897479Z"}],"nvd":[{"id":"CVE-2021-44971","description":"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.","status":"published","published":"2022-01-28T19:15:07.963Z","modified":"2026-07-09T01:17:10.073Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-697"],"updated_at":"2026-11-02T14:07:04.178977Z"}]}}