CVE-2026-13376: Improper Neutralization of Input During Web Page Generation

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-2026-13384: Out-of-bounds Write

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...

CVE-2026-13374: Improper Neutralization of Input During Web Page Generation

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...

CVE-2026-13373: Improper Neutralization of Input During Web Page Generation

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...

CVE-2026-13368: Use After Free

WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that...

CVE-2026-13375: Improper Neutralization of Input During Web Page Generation

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-2026-13728: Use of Hard-coded Credentials

In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources. This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a...

CVE-2026-13377: Improper Neutralization of Input During Web Page Generation

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947...

CVE-2026-13053

WatchGuard Fireware OS has an authenticated out-of-bounds write vulnerability in the CLI command handler (CVE-2026-13053). A privileged, authenticated attacker could trigger code execution via a crafted CLI input. Affected versions include Fireware OS 11.0–11.12.4_Update1, 12.0–12.12, and 2025.1–...

CVE-2026-13053 WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command...

CVE-2026-13053

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command...

CVE-2026-13050 WatchGuard Firebox networkd Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI...

CVE-2026-13050

Summary (CVE-2026-13050): An out-of-bounds write in WatchGuard Fireware OS is exposed via the networkd component. An authenticated privileged user can trigger arbitrary code execution by sending specially crafted requests to the Management Web UI. Affected: Fireware OS versions 11.8 (through 11.1...

CVE-2026-13054

A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem...

CVE-2026-13054 WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UI

A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem...

CVE-2026-13054

CVE-2026-13054 describes a path traversal vulnerability in the WatchGuard Fireware OS Management Web UI that allows a privileged authenticated attacker to write arbitrary files on the Firebox filesystem. Affected: Fireware OS 11.0–11.12.4_Update1, 12.0–12.12, and 2025.1–2026.2. CVSS v4.0 vector i...

CVE-2026-8247 WatchGuard Firebox admd Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4Update1, 12.0 up to and including 12.12 and 2025.1 up to and...

CVE-2026-8247

WatchGuard Fireware OS contains an out-of-bounds write vulnerability (CVE-2026-8247) affecting Fireware OS 11.0–11.12.4_Update1, 12.0–12.12, and 2025.1–2026.2. An unauthenticated attacker on the same local network segment can potentially execute arbitrary code. The advisory lists the vulnerable c...

CVE-2026-8247 WatchGuard Firebox admd Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4Update1, 12.0 up to and including 12.12 and 2025.1 up to and...

CVE-2026-8247

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4Update1, 12.0 up to and including 12.12 and 2025.1 up to and...