CVE-2026-81851
Fireware OS Heap-Based Buffer Overflow in iked Allows Denial of Service
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.
| CWE | CWE-122 CWE-1284 |
| Vendor | watchguard |
| Product | fireware os |
| Published | Aug 27, 2026 |
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Affected Versions
WatchGuard / Fireware OS
2025.0 < 2026.2.1 12.0 < 12.12.1
WatchGuard / Fireware OS
12.0 < 12.11.9
WatchGuard / Fireware OS
12.0 < 12.5.18
References
Credits
Cody Sixteen