7.5

CVE-2026-86134

Medienbericht

Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Watchguard ≫ Fireware Version >= 12.0 < 12.5.21
Watchguard ≫ Fireware Version >= 12.12 < 12.12.3
Watchguard ≫ Fireware Version >= 2025.0 < 2026.2.3
Watchguard ≫ Fireware Version >= 2026.3 < 2026.3.2
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.42% 0.342
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5d1c2695-1a31-4499-88ae-e847036fd7e3 8.7 0 0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

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VulnDex Intel
Media Report
01.10.2026 09:56
https://psirt.watchguard.com/CVE-2026-86134
Patch
Vendor Advisory