WatchGuard Fireware OS vulnerabilities
60 known CVE vulnerabilities in WatchGuard Fireware OS, translated and rated.
- CVE-2025-13937Medium
Stored XSS vulnerability in WatchGuard Fireware OS in the ConnectWise Technology Integration module. Improper input neutralization during web page generation allows persistent injection of malicious script.
- CVE-2025-13936Medium
Stored XSS vulnerability in WatchGuard Fireware OS in the Tigerpaw Technology Integration module. Improper input neutralization during web page generation allows persistent injection of malicious script.
- CVE-2025-12196High
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-2025-12195High
Out-of-bounds write vulnerability in WatchGuard Fireware OS's CLI. An authenticated privileged user can execute arbitrary code via specially crafted IPSec configuration commands.
- CVE-2025-12026High
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.
- CVE-2025-11838High
A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of Service (DoS) condition in the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.
- CVE-2025-6999Medium
An HTTP Request Smuggling vulnerability in the Authentication portal of WatchGuard Fireware OS allows a remote attacker to bypass request parameter sanitization and perform a reflected self-XSS attack. WatchGuard believes there is no practical exploit chain with meaningful security impact.
- CVE-2025-4804Medium
Improper Neutralization of Input During Web Page Generation (XSS) vulnerability in WatchGuard Fireware OS allows Stored XSS via the spamBlocker module. This vulnerability requires an authenticated administrator session to a locally managed Firebox.
- CVE-2025-0178Medium
An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access to manipulate the HTTP Host header in requests to the Web UI. This could redirect users to malicious websites, poison the web cache, or inject malicious JavaScript into responses.
- CVE-2024-5974High
A buffer overflow in WatchGuard Fireware OS 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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

