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.
Metrics
Affected Vendors & Products
Advisories
No advisories yet.
Fixes
Solution
Fireware OS 2026.4, Fireware OS 12.12.4, Fireware OS 12.5.22
Workaround
No workaround given by the vendor.
References
| Link | Providers |
|---|---|
| https://psirt.watchguard.com/CVE-2026-111107 |
|
History
Tue, 27 Oct 2026 16:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Fireware OS NULL Pointer Dereference in Management Interface Allows Unauthenticated Denial of Service | |
| First Time appeared |
Watchguard
Watchguard fireware Os |
|
| Weaknesses | CWE-1286 CWE-248 CWE-476 |
|
| CPEs | cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Watchguard
Watchguard fireware Os |
|
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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MITRE
Status: PUBLISHED
Assigner: WatchGuard
Published:
Updated: 2026-10-27T15:52:27.690Z
Reserved: 2026-10-15T15:56:23.830Z
Link: CVE-2026-111107
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-10-27T16:17:29.393
Modified: 2026-10-27T16:17:29.393
Link: CVE-2026-111107
Redhat
No data.
OpenCVE Enrichment
No data.