CVE-2026-86133: fallo de gravedad alta en WatchGuard Fireware OS
Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of Service
Publicada el · Actualizada el
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.2epss 0.3%
probabilidad de explotación
0.3%top 74% de las CVE
explotación observada
noninguna fuente lo reporta
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
WatchGuard · Fireware OSCVEs relacionadas — WatchGuard Fireware OS
En el mismo producto, de las más peligrosas a las menos.
CVE-2025-9242CRITICALWatchGuard Firebox iked Out of Bounds Write VulnerabilityEPSS 91.3%KEVCVE-2025-14733CRITICALWatchGuard Firebox iked Out of Bounds Write VulnerabilityEPSS 26.5%KEVCVE-2022-31749MEDIUMAuthenticated arbitrary file read/write in WatchGuard Fireware OSEPSS 1.3%CVE-2026-3987HIGHWatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UIEPSS 1.1%CVE-2024-5974HIGHFirebox Authenticated Buffer Overflow VulnerabilityEPSS 1.1%CVE-2026-13368CRITICALWatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP AuthenticationEPSS 0.9%
Referencias
https://psirt.watchguard.com/CVE-2026-86133