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CVE-2025-11838

WatchGuard Firebox iked Memory Corruption Vulnerability

Published: Dec 4, 2025Updated: Dec 16, 2025 Sources: CVE List NVD BDUCWE-763
7.5HIGH
NVD MITRE
EPSS Score
0.4%
Top 66.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-763

Affected Products

Watchguard Technologies Inc.
commercial·USaka watchguard
Fireware OS
Networking Infrastructure
fireware
Networking Infrastructure
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

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