CVE-2026-86134
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Fireware OS
- Vendor
- WatchGuard
- Product
- Fireware OS
- Platforms
- Default
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2026.3 | affected | custom | 2026.3.2 | Unavailable | None listed |
| 2025.0 | affected | custom | 2026.2.3 | Unavailable | None listed |
| 12.0 | affected | custom | 12.12.3 | Unavailable | None listed |
Fireware OS
- Vendor
- WatchGuard
- Product
- Fireware OS
- Platforms
- T15/T35
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 12.0 | affected | custom | 12.5.21 | Unavailable | None listed |