An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.5 and 2025.1 up to and including 2025.1.3.
CISA Catalog
Date Added
Due Date
Vulnerability Name
Required Action
2025-12-19
2025-12-26
WatchGuard Firebox Out of Bounds Write Vulnerability
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2025-12-19
Due Date: 2025-12-26
Vulnerability Name: WatchGuard Firebox Out of Bounds Write Vulnerability
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.