CVE-2026-3343
WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management user's browser when they click on a specially crafted link. This vulnerability affects Fireware OS 12.7 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.
| CWE | CWE-79 |
| Vendor | watchguard |
| Product | fireware os |
| Published | Mar 3, 2026 |
| Last Updated | Mar 4, 2026 |
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Affected Versions
WatchGuard / Fireware OS
12.7 ≤ 12.11.7 2025.1 ≤ 2026.1.1
References
Credits
btaol