HIGHCVSS v4 8.7Vulnerability

CVE-2026-111107

A NULL pointer dereference vulnerability in WatchGuard Fireware OS’s management interface allows a remote, unauthenticated attacker with network access to the management interface to crash the management service by sending a specially crafted login request. Repeated exploitation terminates all active administrator sessions and in-progress management operations and can prevent management of the device. Traffic processing is not affected.

Properties

Severity
HIGH
Nvd fetched at
2026-10-27T19:32:16.133732+00:00
Cvss severity
HIGH
Cvss score
8.7
Retrieved at
2026-10-27T19:33:27+00:00
Score
8.7
Cvss version
4.0
Last source
NVD
Cve id
CVE-2026-111107
Cvss vector
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
First seen by Signal
2026-10-27T19:33:27+00:00
Vector
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
Published at
2026-10-27T16:17:29.393
Last modified
2026-10-27T16:17:29.393

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CVE-2026-111107 (CVSS v4 8.7) — Ninja Signal Threat Intelligence | Ninja Signal