CVE-2026-81851
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 6.9
- CVSS vector
- 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
- EPSS probability
- 0.25%
- CWE
- CWE-122, CWE-1284
- Published
- 2026-08-27
- Last modified
- 2026-08-28
Affected products
- WatchGuard Fireware OS
- WatchGuard Fireware OS
Weakness type
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