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CVE-2026-86104Fireware OS Resource Exhaustion in Login Process Allows Denial of Service
Descripción
An uncontrolled resource consumption vulnerability in the Fireware OS login process (wgagent) allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted request.
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
| Fabricante | Producto | Versiones | |
|---|---|---|---|
| watchguard | fireware | 12.0 – < 12.5.21 | |
| WatchGuard | Fireware OS | 2026.3 – < 2026.3.2, 2025.0 – < 2026.2.3, 12.0 – < 12.12.3 |
Referencias y parches
- https://psirt.watchguard.com/CVE-2026-86104 vendor-advisoryPatchVendor Advisory
Coincidencias CPE (NVD) (4)
cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.0 < 12.5.21cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 12.12 < 12.12.3cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 2025.0 < 2026.2.3cpe:2.3:o:watchguard:fireware:*:*:*:*:*:*:*:*≥ 2026.3 < 2026.3.2