CVE-2026-13368
CriticalCVSS 9.2Summary
A race condition leading to a use-after-free vulnerability in LDAP authentication for Mobile User VPN with IKEv2 in WatchGuard Fireware OS. A remote unauthenticated attacker could exploit this to execute arbitrary code in the context of the iked process on Fireboxes with external LDAP configured.
Risk Assessment
The risk includes potential remote code execution by an unauthenticated attacker, compromising the Firebox device and potentially the entire network.
Recommendation
Immediately upgrade Fireware OS to a version outside the affected ranges (above 11.12.4_Update1, 12.12, and 2026.2) and review Mobile VPN with IKEv2 configuration.
Original NVD description (English source)
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server. 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.

