CVE-2026-81851
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.0 < 2026.2.1 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.1 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.11.9 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.5.18 | affected |
Weaknesses
- CWE-122: CWE-122
- CWE-1284: CWE-1284
References
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