CVE-2026-103593
Fireware OS Stack Buffer Overflow in Logging Service Allows Remote Code Execution
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A stack-based buffer overflow vulnerability in the Fireware OS logging service allows a network-adjacent attacker who can impersonate or intercept traffic to the configured log server to execute arbitrary code with root privileges by presenting a specially crafted certificate.
| CWE | CWE-121 CWE-787 |
| Vendor | watchguard |
| Product | fireware os |
| Published | Oct 27, 2026 |
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Affected Versions
WatchGuard / Fireware OS
2025.1 < 2026.4 12.0 < 12.12.4
WatchGuard / Fireware OS
12.0 < 12.5.22
References
Credits
WatchGuard AI Security Research