WatchGuard Firebox Out of Bounds Write Vulnerability
Advisory ID
WGSA-2026-00003
CVE
CVE-2026-3342
Impact
High
Status
Resolved
Product Family
Firebox
Published Date
Updated Date
Workaround Available
False
CVSS Score
8.6
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Summary
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface.
Affected
This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.
Resolution
| Vulnerable Version | Resolved Version |
|---|---|
| 2025.1 | 2026.1.2 |
| 12.x | 12.11.8 |
| 12.5.x (T15 & T35 models) | 12.5.17 |
| 11.x | End of Life |
Credits
btaol
Advisory Product List
| Product Family | Product Branch | Product List |
|---|---|---|
Firebox
|
Fireware OS 12.5.x | T15, T35 |
Firebox
|
Fireware OS 2025.1.x | T115-W, T125, T125-W, T145, T145-W, T185, M295, M395, M495, M595, M695 |
Firebox
|
Fireware OS 12.x | T20, T25, T40, T45, T55, T70, T80, T85, M270, M290, M370, M390, M470, M570, M590, M670, M690, M440, M4600, M4800, M5600, M5800, Firebox Cloud, Firebox NV5, FireboxV |