{"id":"CVE-2024-4247","aliases":["EUVD-2024-32799","GHSA-m5cm-ff2v-j4hc"],"status":"published","title":"Tenda i21 formQosManage_auto stack-based overflow","description":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01453,"percentile":0.7364,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2024-04-27T09:31:04Z","modified":"2026-06-17T08:01:31Z","products":[{"vendor":"tenda","product":"i21"},{"vendor":"tenda","product":"i21_firmware"}],"references":[{"url":"https://vuldb.com/?id.262138","tags":["vdb-entry","technical-description","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?ctiid.262138","tags":["signature","permissions-required","x_transferred","Permissions Required","Third Party Advisory","VDB Entry"]},{"url":"https://vuldb.com/?submit.319832","tags":["third-party-advisory","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/i/i21/formQosManage_auto.md","tags":["related","x_transferred","Broken Link"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-4247"},{"url":"https://github.com/advisories/GHSA-m5cm-ff2v-j4hc"}],"sources":{"cve":[{"id":"CVE-2024-4247","title":"Tenda i21 formQosManage_auto stack-based overflow","description":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-27T09:31:04.549Z","modified":"2024-08-01T20:33:53.099Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:17.150655Z"}],"euvd":[{"id":"EUVD-2024-32799","description":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-27T09:31:04Z","modified":"2024-08-01T20:33:53Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:50:37.375536Z"}],"ghsa":[{"id":"GHSA-m5cm-ff2v-j4hc","title":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This...","description":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-27T12:30:29Z","modified":"2025-01-27T18:31:59Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:59:41.697715Z"}],"nvd":[{"id":"CVE-2024-4247","description":"A vulnerability has been found in Tenda i21 1.0.0.14(4656) and classified as critical. This vulnerability affects the function formQosManage_auto. The manipulation of the argument ssidIndex leads to stack-based buffer overflow. The attack can be initiated remotely. VDB-262138 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-27T10:15:08.73Z","modified":"2026-06-17T08:01:31.313Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:09:55.124919Z"}]}}