{"id":"CVE-2026-86131","title":"A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.","summary":"A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.","severity":"critical","cvss":9.2,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-94","CWE-295","CWE-829"],"vendor":"WatchGuard","product":"Fireware OS","affected":["fireware_os >= 2026.3 < 2026.3.2","fireware_os >= 2025.0 < 2026.2.3","fireware_os >= 12.0 < 12.12.3","fireware_os >= 12.0 < 12.5.21"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T00:16:36.817","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86131","references":[{"url":"https://psirt.watchguard.com/CVE-2026-86131","label":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-29T23:52:50.544Z","slug":"CVE-2026-86131","body":"## Overview\n\nA code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":51,"depthScoreParts":{"impact":50.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}