wid-sec-w-2026-0892
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Published 2026-03-26
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View on BSI CERT-Bund ↗
WatchGuard Firebox: Multiple Vulnerabilities
CVSS 8.4
HIGH
Risk Summary
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.
CVEs (2)
Affected Vendors
WatchGuard
Affected Products (7)
WatchGuard
·
Firebox
<2026.2
WatchGuard
·
Firebox
2026.2
WatchGuard
·
Firebox
<12.12
WatchGuard
·
Firebox
12.12
WatchGuard
·
Firebox
<12.5.18
WatchGuard
·
Firebox
12.5.18
WatchGuard
·
Firebox
11.x
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