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CVE-2025-1547

WatchGuard Firebox Authenticated Stack Overflow in Certificate Request Command

A stack-based buffer overflow vulnerability [CWE-121] in WatchGuard Fireware OS's certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.

CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Firebox M270 Firebox M290 Firebox M370 and 26 more
CVE-2025-6946

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

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the IPS configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management ninterface of another management user.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Firebox M270 Firebox M290 Firebox M370 and 26 more
CVE-2025-4106

WatchGuard Firebox leftover debug code vulnerability

An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command.

CVSS 4.0 · 8.9 High EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Fireware Fireware Os
CVE-2025-4805

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Acces Portal Configuration

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Access Portal configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Fireware Os
CVE-2025-4804

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Hotpot Configuration

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

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Fireware Os
CVE-2025-0178

WatchGaurd Firebox Host Header Injection Vulnerability

An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access to manipulate the value of the HTTP Host header in requests sent to the Web UI. An attacker could exploit this vulnerability to redirect users to malicious websites, poison the web cache, or inject malicious JavaScript into responses sent by the Web UI.

CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Firebox M270 Firebox M290 Firebox M370 and 26 more
CVE-2025-1239

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Blocked Sites List

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the Blocked Sites list. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Fireware Os
CVE-2025-1071

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker Module

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the spamBlocker module. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Firebox M270 Firebox M290 Firebox M370 and 26 more
CVE-2025-6947

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configuration

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the SIP Proxy configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Watchguard
Products
Firebox Fireware Fireware Os
CVE-2024-5974

Firebox Authenticated Buffer Overflow Vulnerability

A buffer overflow in WatchGuard Fireware OS could may allow an authenticated remote attacker with privileged management access to execute arbitrary code with system privileges on the firewall. This issue affects Fireware OS: from 11.9.6 through 12.10.3.

CVSS 4.0 · 8.6 High EPSS 1.1% KEV · Not listed
Vendors
Watchguard
Products
Firebox M200 Firebox M270 Firebox M290 and 49 more
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 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

CVSS 4.0 · 8.6 High EPSS 6.4% KEV · Not listed
Vendors
Watchguard
Products
Firebox M270 Firebox M290 Firebox M295 and 37 more