CVE-2026-18145
8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
A stack-based buffer overflow vulnerability in the spamBlocker (spamd) service of WatchGuard Fireware OS allows an authenticated attacker with administrator privileges to crash the service or potentially execute arbitrary code by sending a specially crafted management request.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WatchGuard | Fireware OS | 2026.3 < 2026.3.2 | affected |
| WatchGuard | Fireware OS | 2025.0 < 2026.2.3 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.12.3 | affected |
| WatchGuard | Fireware OS | 12.0 < 12.5.21 | affected |
Weaknesses
- CWE-121: CWE-121
References
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