High [CVE-2025-11838] WatchGuard Firebox iked Memory Corruption Vulnerability
This high-severity WatchGuard advisory covers CVE-2025-11838 affecting Fireware OS.
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Summary
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.
- Fireware OS 2025.1 through 2025.1.3
- Fireware OS 12.6.1 through 12.11.5
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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