EUVD-2026-41461

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. 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...

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. 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...

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. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4Update1, 12.0 up to and including 12.12 and 2025....

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-2026-13054 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. 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...

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. 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...

CVE-2026-13728

WatchGuard Fireware OS on a FireCluster is affected by CVE-2026-13728. Affected versions include Fireware OS 12.1 through 12.12, and 2025.1 through 2026.2. In exception circumstances, an embedded encryption key is used to encrypt saved credentials for Access Portal resources, which constitutes th...

CVE-2026-13368

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

CVE-2026-13377

WatchGuard Fireware OS SIP Proxy module is affected by a Stored XSS via improper input neutralization during web page generation. The vulnerability affects Fireware OS versions 12.0–12.12, 12.5–12.5.18, and 2025.1–2026.2. Root cause: improper sanitization in the SIP Proxy configuration web interf...

CVE-2026-13374 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technology Integration Configuration

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-2026-13374

CVE-2026-13374 is a stored XSS vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module). It affects Fireware OS versions 12.4–12.12, 12.5–12.5.18, and 2025.1–2026.2. The issue stems from improper neutralization of input during web page generation, allowing stored cross-...

CVE-2026-13373 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Tigerpaw Technology Integration Configuration

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...

CVE-2026-13373

WatchGuard Fireware OS Tigerpaw Technology Integration module is affected by CVE-2026-13373, exposing a Stored Cross-Site Scripting (XSS) vulnerability. The issue arises from improper neutralization of input during web page generation, enabling stored XSS in affected Fireware versions: 12.4–12.12...

CVE-2026-13371 WatchGuard Firebox Management Web UI Denial of Service via Unsafe Deserialization

An authenticated administrator can trigger a denial-of-service condition in the Fireware Management Web UI by sending malformed or crafted data to the putdata endpoint, which performs unsafe deserialization of the attacker-supplied input...

CVE-2026-13371

WatchGuard Firebox management UI is affected by CVE-2026-13371 due to unsafe deserialization in the put_data endpoint. An authenticated administrator can exploit crafted input to trigger a denial-of-service in the Fireware Management Web UI. The CVSS metrics indicate network access with high priv...

CVE-2026-12120 FireBox Popups <= 3.1.7 - Unauthenticated Sensitive Information Exposure in 'form_id' Parameter

The FireBox Popups – Increase Sales and Grow Your Email List plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.1.7 via the 'formid' parameter. This makes it possible for unauthenticated attackers to extract download a full CSV export of a...

CVE-2026-12120

The CVE-2026-12120 entry describes a vulnerability in the WordPress plugin FireBox Popups – Increase Sales and Grow Your Email List. Affected versions are all up to and including 3.1.7, with exploitation via the form_id parameter allowing unauthenticated attackers to retrieve a full CSV export of...

WordPress FireBox Popups – Increase Sales and Grow Your Email List plugin <= 3.1.7 - Unauthenticated Sensitive Information Exposure in 'form_id' Parameter vulnerability

Unauthenticated Sensitive Information Exposure in 'formid' Parameter vulnerability discovered by Duc Manh in WordPress Plugin FireBox versions = 3.1.7...

CVE-2026-3987

A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.This issue affects Fireware OS 12.6.1 up to and including 12.11.8 and 2025.1 up to and...

EUVD-2026-18090

A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.This issue affects Fireware OS 12.6.1 up to and including 12.11.8 and 2025.1 up to and...