CVE-2026-13053
HighCVSS 8.6Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI allows an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
Risk Assessment
Risk of full device compromise by a privileged user, potentially leading to breach of network integrity and confidentiality protected by WatchGuard.
Recommendation
Immediately update Fireware OS to a patched version as per vendor advisory. Restrict CLI access to trusted administrators only.
Original NVD description (English source)
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.