{"id":"CVE-2021-31758","aliases":["EUVD-2021-18642","GHSA-wmmh-xgc6-xjh2"],"status":"published","title":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack...","description":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.","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":"2026-11-11","score":0.06619,"percentile":0.93945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-05-07T22:01:32Z","modified":"2026-06-17T03:52:12Z","products":[{"vendor":"tenda","product":"ac11_firmware"}],"references":[{"url":"https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_2","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31758"},{"url":"https://github.com/advisories/GHSA-wmmh-xgc6-xjh2"}],"sources":{"cve":[{"id":"CVE-2021-31758","description":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.","status":"published","published":"2021-05-07T22:01:32Z","modified":"2024-08-03T23:03:33.774Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18642","description":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.","status":"published","published":"2021-05-07T22:01:32Z","modified":"2024-08-03T23:03:33Z","updated_at":"2026-11-03T03:24:38.423371Z"}],"ghsa":[{"id":"GHSA-wmmh-xgc6-xjh2","title":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack...","description":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.","status":"published","published":"2022-05-24T19:01:52Z","modified":"2023-01-29T05:06:39Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:04.414181Z"}],"nvd":[{"id":"CVE-2021-31758","description":"An issue was discovered on Tenda AC11 devices with firmware through 02.03.01.104_CN. A stack buffer overflow vulnerability in /goform/setportList allows attackers to execute arbitrary code on the system via a crafted post request.","status":"published","published":"2021-05-07T23:15:07.137Z","modified":"2026-06-17T03:52:12.55Z","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":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}