CVE-2026-86134: CWE-476 in WatchGuard Fireware OS
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.
CVE-2026-86134: CWE-476 in WatchGuard Fireware OS
Description
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 v4.0
Score 8.7high
Affected software
WatchGuard
Fireware OS
WatchGuard
Fireware OS
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WatchGuard
- Date Reserved
- 2026-09-05T03:10:50.777Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6abc87d8236a9c741fdd806e
Added to database: 09/30/2026, 03:54:00 UTC
Last updated: 09/30/2026, 03:54:00 UTC
Views: 1
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