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...

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...

CVE-2026-3987 WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI

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...

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...

CVE-2026-3987 WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI

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...

CVE-2026-3987

CVE-2026-3987 describes a path traversal vulnerability in the Fireware OS Web UI of WatchGuard Firebox systems. A privileged, authenticated remote attacker could trigger arbitrary code execution within an elevated system process. Affected are Fireware OS versions 12.6.1 through 12.11.8 and 2025.1...

PT-2026-29637

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...

📄 WatchGuard Firebox Default SSH Credentials

This is a python script to detect whether or not WatchGuard Firebox devices allow unauthorized access via default credentials admin:readwrite on port 4118. =============================================================================================================================================...

CVE-2026-1498

WatchGuard Fireware OS is affected by CVE-2026-1498 via LDAP Injection. A remote unauthenticated attacker can retrieve information from a connected LDAP authentication server through an exposed authentication or management web interface, and may authenticate as an LDAP user if they have that user...

CVE-2022-23176

WatchGuard Firebox and XTM appliances allow a remote attacker with unprivileged credentials to access the system with a privileged management session via exposed management access. This vulnerability impacts Fireware OS before 12.7.2U1, 12.x before 12.1.3U3, and 12.2.x through 12.5.x before...

CVE-2022-31791

WatchGuard Firebox and XTM appliances allow a local attacker that has already obtained shell access to elevate their privileges and execute code with root permissions. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4...

CVE-2022-31789

An integer overflow in WatchGuard Firebox and XTM appliances allows an unauthenticated remote attacker to trigger a buffer overflow and potentially execute arbitrary code by sending a malicious request to exposed management ports. This is fixed in Fireware OS 12.8.1, 12.5.10, and 12.1.4...

CVE-2022-31792

A stored cross-site scripting XSS vulnerability exists in the management web interface of WatchGuard Firebox and XTM appliances. A remote attacker can potentially execute arbitrary JavaScript code in the management web interface by sending crafted requests to exposed management ports. This is fix...

CVE-2022-26318

On WatchGuard Firebox and XTM appliances, an unauthenticated user can execute arbitrary code, aka FBX-22786. This vulnerability impacts Fireware OS before 12.7.2U2, 12.x before 12.1.3U8, and 12.2.x through 12.5.x before 12.5.9U2...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2025-14733link is external WatchGuard Firebox Out-of-Bounds Write Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors...

WatchGuard Firebox OS 11.x / 12.x < 12.3.1_Update4 12.4.x < 12.5.15 / 12.6.x < 12.11.6 / 2025.x < 2025.1.4 Out of Bounds Write (CVE-2025-14733)

According to its self-reported version, the instance of WatchGuard Firebox OS running on the remote host is 11.x, 12.x prior to version 12.3.1Update4, 12.4.x prior to 12.5.15, 12.6.x prior to 12.11.6, or 2025.x prior to 2025.1.4. It is, therefore, affected by an out of bounds write vulnerability:...

WatchGuard Firebox OS 2025.1 / 12.x < 12.11.4 / 12.5.x < 12.5.13 / 11.x Out of Bounds Write Vulnerability

According to its self-reported version, the instance of WatchGuard Firebox OS running on the remote host is 2025.1, 12.x prior to 12.11.4, 12.5.x prior to 12.5.13, or 11.x. It is, therefore, affected by out of bounds Write vulnerability. An Out-of-bounds Write vulnerability in the WatchGuard...

CVE-2025-6946 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in IPS Configuration

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS allows Stored XSS via the IPS module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Firebox: from...

CVE-2025-6946 WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in IPS Configuration

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in WatchGuard Fireware OS allows Stored XSS via the IPS module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Firebox: from...