CVE-2026-93862highCWE-125CWE-129CWE-787CWE-823

CVE-2026-93862: fallo de gravedad alta en WatchGuard Fireware OS

Fireware OS Out-of-Bounds Read in FireCluster Sync Allows Denial of Service

Publicada el · Actualizada el

Seguir esta CVE+ Monitorear Fireware OS

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 7.2epss 0.2%
An out-of-bounds read vulnerability in the FireCluster Sync processing allows an attacker positioned on the cluster interconnect, such as a compromised cluster peer or an on-path network attacker, to repeatedly crash the firewall's cluster synchronization process by sending specially crafted network traffic, resulting in a sustained denial of service.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
Productos afectados
WatchGuard · Fireware OS
CVEs 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 92.2%KEVCVE-2025-14733CRITICALWatchGuard Firebox iked Out of Bounds Write VulnerabilityEPSS 29.4%KEVCVE-2026-3342HIGHWatchGuard Firebox Out of Bounds Write VulnerabilityEPSS 6.4%CVE-2022-31749MEDIUMAuthenticated arbitrary file read/write in WatchGuard Fireware OSEPSS 1.3%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%