8.2Alta
CVE-2026-86133Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of Service
Descripción
An integer underflow vulnerability in the WatchGuard Fireware OS IKE daemon (iked) allows a remote attacker who has completed the initial IKEv2 handshake to crash the iked process by sending a specially crafted encrypted IKEv2 message, resulting in a denial of service.
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-2026-86133 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