CVE-2026-18145
Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-121 |
| Vendor | watchguard |
| Product | fireware os |
| Published | Sep 29, 2026 |
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Affected Versions
WatchGuard / Fireware OS
2026.3 < 2026.3.2 2025.0 < 2026.2.3 12.0 < 12.12.3
WatchGuard / Fireware OS
12.0 < 12.5.21
References
Credits
Nicholas Zubrisky (@NZubrisky) of TrendAI Research