{"id":"CVE-2021-45392","aliases":["EUVD-2021-32165","GHSA-5r8w-456g-rjc8"],"status":"published","title":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4...","description":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.12294,"percentile":0.96222,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-02-14T16:25:58Z","modified":"2026-06-17T04:13:19Z","products":[{"vendor":"tenda","product":"ax12_firmware"}],"references":[{"url":"https://www.tenda.com.cn/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://tendawifi.com/index.html","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://www.tenda.com.cn/product/AX12.html","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://github.com/sec-bin/IoT-CVE/tree/main/Tenda/AX12/2","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-45392"},{"url":"https://github.com/advisories/GHSA-5r8w-456g-rjc8"}],"sources":{"cve":[{"id":"CVE-2021-45392","description":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.","status":"published","published":"2022-02-14T16:25:58Z","modified":"2024-08-04T04:39:20.65Z","updated_at":"2026-11-02T14:33:02.580561Z"}],"euvd":[{"id":"EUVD-2021-32165","description":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.","status":"published","published":"2022-02-14T16:25:58Z","modified":"2024-08-04T04:39:20Z","updated_at":"2026-11-03T03:08:27.448176Z"}],"ghsa":[{"id":"GHSA-5r8w-456g-rjc8","title":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4...","description":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.","status":"published","published":"2022-02-15T00:02:46Z","modified":"2023-02-03T05:05:54Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:53:48.81294Z"}],"nvd":[{"id":"CVE-2021-45392","description":"A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.","status":"published","published":"2022-02-14T17:15:07.883Z","modified":"2026-06-17T04:13:19.9Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}