๐Ÿ›ก๏ธ CVE-2026-4266
โšช Unknown โœ… No Known Exploit CWE-502 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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.This issue affects Fireware OS: 12.1 through 12.11.8 and 2025.1 through 2026.1.2. Note, this vulnerability does not affect Firebox platforms that do not support the Access Portal feature, including the T-15 and T-35.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE CWE-502
Public Exploit โœ… No
Source NVD
Published 2026-03-30
Updated 2026-06-02
Modified 2026-03-30
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown โ€” โ€”

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