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OpenAdvisories

Product · WatchGuard

Fireware OS

91 known vulnerabilities.

91 results · Feed

  • High 8.9

    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.

  • Critical 9.3
    CVE-2025-9242 Exploited Public exploit EPSS 92%

    WatchGuard Firebox iked Out of Bounds Write Vulnerability

    An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when co…

    KEV Nov 12, 2025
  • Medium 4.8

    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 a…

  • Medium 6.9

    WatchGuard Firebox Authentication Portal Request Smuggling Vulnerability

    An HTTP Request Smuggling [CWE-444] vulnerability in the Authentication portal of WatchGuard Fireware OS allows a remote attacker to evade request parameter sanitation and perform a reflected self-Cross-Site Scripting (XSS) attack. WatchGuard does not believe…

  • Medium 4.8

    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 execu…

  • Medium 4.8

    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 m…

  • Medium 5.1

    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 malic…

  • Medium 4.8

    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 arbitr…

  • Medium 4.8

    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 arbitr…

  • Medium 6.5
    CVE-2022-31749 Public exploit

    Authenticated arbitrary file read/write in WatchGuard Fireware OS

    An argument injection vulnerability in the diagnose and import pac commands in WatchGuard Fireware OS before 12.8.1, 12.1.4, and 12.5.10 allows an authenticated remote attacker with unprivileged credentials to upload or read files to limited, arbitrary locati…

  • High 8.6

    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.