CVE-2025-11838

Published: Dec 4, 2025

Modified: Dec 15, 2025

PUBLISHED

Description

A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of Service (DoS) condition in 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 12.6.1 up to and including 12.11.4 and 2025.1 up to and including 2025.1.2.

Vendor	Product	Versions
WatchGuard	Fireware OS	affected `12.6.1 - <= 12.11.4` affected `2025.1 - <= 2025.1.2`

Weaknesses (CWE)

CWE-763

References

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00018

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2025-11838

Description

Affected Products

Weaknesses (CWE)

References