Description (CNA)
An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that do not support the Access Portal feature, including the T15 and T35.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| WatchGuard / Fireware OS | affected 2025.1 before 2026.2; affected 12.1 before 12.12 |
| WatchGuard / Fireware OS | affected 12.1 before 12.11.9 |
CWE
CWE-502
References
- https://psirt.watchguard.com/CVE-2026-4266
- https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00007
ADP enrichment
No English description supplied.
No references supplied.