CVE-2025-11838 | THREATINT

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 12.0 up to and including 12.11.4 and 2025.1 up to and including 2025.1.2.

PUBLISHED Reserved 2025-10-16 | Published 2025-12-04 | Updated 2025-12-05 | Assigner WatchGuard

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-763 Release of Invalid Pointer or Reference

Product status

Default status

unaffected

12.0 (semver)

affected

2025.1 (semver)

affected

Credits

McCaulay Hudson (@_McCaulay) of watchTowr finder

References

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

cve.org (CVE-2025-11838)

nvd.nist.gov (CVE-2025-11838)