WatchGuard Firebox Vulnerabilities

CERT-Bund has released advisory WID-SEC-2026-0892 detailing multiple vulnerabilities affecting WatchGuard Firebox firewall products, specifically versions prior to 2026.2, 12.12, 12.5.18, and all 11.x versions. These vulnerabilities, rated with a CVSS base score of 6.7, can be exploited by a remote, authenticated attacker to execute arbitrary code or cause a denial of service.

Organizations using the affected WatchGuard Firebox models should review the advisory and apply available mitigations. While a specific compliance deadline is not provided, prompt patching or updating to a non-vulnerable version is strongly recommended to prevent potential security breaches and service disruptions. Failure to address these vulnerabilities could lead to significant operational impact and data compromise.