{"id":"CVE-2021-25310","aliases":["EUVD-2021-12210","GHSA-jcmg-8grx-m8j6"],"status":"published","title":"** UNSUPPORTED WHEN ASSIGNED ** The administration web interface on Belkin Linksys WRT160NL 1.0...","description":"The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine","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":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.04689,"percentile":0.91914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-150","CWE-78"],"published":"2021-02-02T14:01:08Z","modified":"2026-06-17T03:41:48Z","products":[{"vendor":"belkin","product":"linksys_wrt160nl_firmware"},{"vendor":"belkin","product":"linksys_wrt_160nl"}],"references":[{"url":"https://research.nccgroup.com/?research=Technical%20advisories","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25310"},{"url":"https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310"},{"url":"https://github.com/advisories/GHSA-jcmg-8grx-m8j6"}],"sources":{"cve":[{"id":"CVE-2021-25310","description":"The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine","status":"published","published":"2021-02-02T14:01:08Z","modified":"2024-08-03T20:03:04.118Z","cwes":["CWE-150"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12210","description":"The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine","status":"published","published":"2021-02-02T14:01:08Z","modified":"2024-08-03T20:03:04Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-jcmg-8grx-m8j6","title":"** UNSUPPORTED WHEN ASSIGNED ** The administration web interface on Belkin Linksys WRT160NL 1.0...","description":"** UNSUPPORTED WHEN ASSIGNED ** The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintainer","status":"published","published":"2022-05-24T17:40:46Z","modified":"2024-07-03T18:32:27Z","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-78","CWE-150"],"updated_at":"2026-11-02T14:57:33.266743Z"}],"nvd":[{"id":"CVE-2021-25310","description":"The administration web interface on Belkin Linksys WRT160NL 1.0.04.002_US_20130619 devices allows remote authenticated attackers to execute system commands with root privileges via shell metacharacters in the ui_language POST parameter to the apply.cgi form endpoint. This occurs in do_upgrade_post in mini_httpd. NOTE: This vulnerability only affects products that are no longer supported by the maintaine","status":"published","published":"2021-02-02T15:15:16.84Z","modified":"2026-06-17T03:41:48.24Z","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":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78","CWE-150"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}