CVE-2026-86134: falha de alta gravidade em WatchGuard Fireware OS
Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service
Publicada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 8.7epss 0.4%
probabilidade de exploração
0.4%top 70% das CVEs
exploração observada
nãonenhuma fonte reporta
A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Produtos afetados
WatchGuard · Fireware OSCVEs relacionadas — WatchGuard Fireware OS
No mesmo produto, das mais perigosas para as 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%
Referências
https://psirt.watchguard.com/CVE-2026-86134