CVE-2026-4315
Medium
Description
A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.
SeverityMedium
CVSS6.5
Exploit probability—
ProductWatchguard Fireware
PublishedMar 30, 2026
First seenMar 30, 2026
Weakness typeCWE-352Cross-site request forgery (CSRF)
How to fix
Update
- watchguard fireware2026.2, 12.5.18, 11.12.4, 12.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| watchguard fireware | 2025.1 ≤ v < 2026.2, 12.5 ≤ v < 12.5.18, 11.8 ≤ v < 11.12.4, 11.12.4, 12.0 ≤ v < 12.12 | 2026.2, 12.5.18, 11.12.4, 12.12 |
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