CVE-2026-90442
Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of Service
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A stack-based buffer overflow vulnerability in the Fireware OS certd process allows an authenticated attacker with access to the Firebox management interface to crash the certificate management service and potentially execute arbitrary code by sending a specially crafted request.
| 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
Cody Sixteen