CVE-2026-13054: WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI
A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WatchGuard Fireware OSto a version that resolves this vulnerability.Fixed in 2026.2.1 - Upgrade
Upgrade
WatchGuard Fireware OSto a version that resolves this vulnerability.Fixed in 12.12.1 - Upgrade
Upgrade
WatchGuard Fireware OSto a version that resolves this vulnerability.Fixed in 12.5.19
Event History
Frequently Asked Questions
What is the severity of CVE-2026-13054?
CVE-2026-13054 has a high severity rating of 8.6 based on the CVSS scoring criteria.
How do I fix CVE-2026-13054?
To fix CVE-2026-13054, update your WatchGuard Fireware OS to a version later than 12.12.4_Update1.
What systems are affected by CVE-2026-13054?
CVE-2026-13054 affects WatchGuard Fireware OS versions from 11.0 up to and including 12.12.4_Update1 and 2025.1.
What type of vulnerability is CVE-2026-13054?
CVE-2026-13054 is a path traversal vulnerability that allows arbitrary file writes through the Management Web UI.
Who can exploit CVE-2026-13054?
CVE-2026-13054 can be exploited by a privileged authenticated attacker.