{"id":"CVE-2026-118238","aliases":["EUVD-2026-114093","GHSA-26w6-cmwv-h7mc"],"status":"published","title":"CVE-2026-118238","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.01535,"percentile":0.75192,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2026-10-30T15:08:41Z","modified":"2026-10-30T18:32:45Z","exploits":[{"source":"pocgithub","id":"Cushz/CVE-2026-118238","title":"Cushz/CVE-2026-118238","date":"2026-10-27","url":"https://github.com/Cushz/CVE-2026-118238"}],"products":[{"vendor":"tenda","product":"w18e"}],"references":[{"url":"https://cushz.github.io/en/exploit-development/2026/10/27/hacking-routers-for-fun-and-not-profit.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118238"},{"url":"https://github.com/advisories/GHSA-26w6-cmwv-h7mc"}],"sources":{"cve":[{"id":"CVE-2026-118238","title":"CVE-2026-118238","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","status":"published","published":"2026-10-30T15:08:41.752Z","modified":"2026-10-30T17:07:06.917Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:20:04.156238Z"}],"euvd":[{"id":"EUVD-2026-114093","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","status":"published","published":"2026-10-30T15:08:41Z","modified":"2026-10-30T17:07:06Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:05.567782Z"}],"ghsa":[{"id":"GHSA-26w6-cmwv-h7mc","title":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\"...","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","status":"published","published":"2026-10-30T18:32:37Z","modified":"2026-10-30T18:32:45Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:14:51.443103Z"}],"nvd":[{"id":"CVE-2026-118238","description":"The Tenda W18E web management server is vulnerable to OS command injection via the \"diagnose\" packet-capture feature due to improper validation of JSON fields. An authenticated user can inject shell metacharacters into the protocol or targetDevice fields, which are later concatenated into a tcpdump command and executed with root privileges. This vulnerability can be exploited without authentication if the device is in a factory-reset state.","status":"published","published":"2026-10-30T16:17:41.993Z","modified":"2026-10-30T17:17:15.473Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:13:05.268617Z"}]}}