CVE-2026-13384 WatchGuard Firebox wgagent Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.This vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to an...

CVE-2026-13376

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-2026-13376

CVE-2026-13376 affects WatchGuard Firebox via the Fireware OS spamBlocker module. Vulnerable component: spamBlocker in Fireware OS; vulnerable versions: Fireware OS 12.0–12.12, 12.5–12.5.18, and 2025.1–2026.2. Description: Improper Neutralization of Input During Web Page Generation leading to Sto...

CVE-2026-13375 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology Integration Configuration

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...

CVE-2026-13375

WatchGuard Fireware OS Autotask Technology Integration module is affected by CVE-2026-13375, a Stored XSS vulnerability. Affected versions are Fireware OS 12.4–12.12, 12.5–12.5.18, and 2025.1–2026.2. Attack vector is NETWORK with low attack complexity and high privileges required; user interactio...

CVE-2026-13374

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS ConnectWise Technology Integration module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937. This issue affects Firewar...

CVE-2026-13373

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-2026-55334

Name of the Vulnerable Software and Affected Versions Fireware OS versions 12.1 through 12.12 Fireware OS versions 2025.1 through 2026.2 Description An Out-of-bounds Write occurs in the ikestubd process, which may allow an authenticated privileged user to execute arbitrary code by sending special...

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-2026-55330

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS ConnectWise Technology Integration module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937. This issue affects Firewar...

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...

PT-2026-55326

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS versions 11.10.2 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 null pointer dereference occurs when the software attempts t...

PT-2026-55323

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 An Out-of-bounds Write issue exists in the CLI, where an...

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-2026-55335

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...

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.This issue affects Fireware OS: 11....

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.This issue affects Fireware OS: 12.1 through 12.11.8 and 2025.1...