UpHeron
All vulnerabilities

Servers and applications

CVE-2025-11838

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.

Severity
High 8.7
Published
4 Dec 2025
Last changed
25 Sept 2026
Added to UpHeron
3 Nov 2026
Fixed in
12.11.5, 2025.1.3
Sources
NVD

Affected software

SoftwareAffected versions
WatchGuard Fireware OSServers and applications · cpe:o:watchguard:fireware
  • From 12.0.0 before 12.11.5
  • From 2025.1 before 2025.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-11838
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-11838