PT-2026-55331

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS Autotask Technology Integration module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13938. This issue affects Fireware O...

PT-2026-55335

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 12.1 through 12.12 WatchGuard Fireware OS versions 2025.1 through 2026.2 Description An Out-of-bounds Write issue exists in the wgagent process. This flaw allows an authenticated privileged user to execute...

PT-2026-55324

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 11.0 through 11.12.4 Update1 WatchGuard Fireware OS versions 12.0 through 12.12 WatchGuard Fireware OS versions 2025.1 through 2026.2 Description A path traversal issue in the Management Web UI allows a privileg...

PT-2026-55329

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS Tigerpaw Technology Integration module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13936. This issue affects Fireware O...

PT-2026-55332

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS spamBlocker module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-1071. This issue affects Fireware OS 12.0 up to and...

CVE-2026-4315

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.This issue affects Fireware OS: 11....

EUVD-2026-17079

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...

CVE-2026-4315 WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

A Cross-Site Request Forgery CSRF vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service DoS condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page...

CVE-2026-4315

WatchGuard Fireware OS WebUI CSRF leads to DoS when an authenticated admin visits a malicious page. Affected versions are Fireware OS 11.8–11.12.4+541730, 12.0–12.11.8, and 2025.1–2026.1.2. No exploit details or mitigations are provided here; refer to the watchdog advisory (WGSA-2026-00006) for g...

CVE-2026-4266 WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

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...

WatchGuard Fireware OS 安全漏洞

WatchGuard Fireware OS is a software operated by the American company WatchGuard, running on Firebox devices. Versions 12.1 to 12.11.8 and 2025.1 to 2026.1.2 of WatchGuard Fireware OS contain security vulnerabilities due to insecure deserialization, which may allow arbitrary code to be executed i...

CVE-2026-3342

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. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4Update1, 12.0 up to and...

CVE-2026-3342

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. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4Update1, 12.0 up to and...

CVE-2026-3344

Watching WatchGuard Fireware OS has a vulnerability (CVE-2026-3344) that allows bypassing the filesystem integrity check and maintaining limited persistence via a maliciously-crafted firmware update package. Affected versions are: Fireware OS 12.0–12.11.7, 12.5.9–12.5.16, and 2025.1–2026.1.1. The...

CVE-2026-3342

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. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4Update1, 12.0 up to and...

CVE-2026-3342

Technical details about CVE-2026-3342 are not provided in the supplied documents. Monitor for updates from WatchGuard advisory; no public details on affected firmware behavior, exploit methods, or fixes are disclosed here.

EUVD-2026-9288

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. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4Update1, 12.0 up to and...

CVE-2026-3342 WatchGuard Firebox Out of Bounds Write Vulnerability

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. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4Update1, 12.0 up to and...

PT-2026-22734

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.This issue affects Fireware OS 12.0 up to and including 12.11.7, 12.5.9 up to and including...

PT-2026-22732

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 11.9 through 11.12.4 Update1 WatchGuard Fireware OS versions 12.0 through 12.11.7 WatchGuard Fireware OS versions 2025.1 through 2026.1.1 Description An Out-of-bounds Write vulnerability exists in WatchGuard...