{"cve":"CVE-2021-25310","nvd":{"published":"2021-02-02T15:15:16.840","modified":"2026-06-17T03:41:48.240","status":"Modified","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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-78","CWE-150"],"references":["https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/","https://research.nccgroup.com/?research=Technical%20advisories","https://research.nccgroup.com/2021/01/28/technical-advisory-linksys-wrt160nl-authenticated-command-injection-cve-2021-25310/","https://research.nccgroup.com/?research=Technical%20advisories"],"products":["belkin:linksys_wrt160nl_firmware"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-25310","score":0.04689,"percentile":0.91789,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}