Watchguard Fireware OS vulnerabilities, page 2
74 vulnerabilities
Known vulnerabilities in Watchguard Fireware OS, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.
CVE-2025-12026watchguardfireware+1
EPSS score0.44%
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-2025-12196watchguardfireware+1EPSS score0.62%
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-2022-31749watchguardfireware osEPSS score1.26%
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 locations on WatchGuard Firebox and XTM appliancesCVE-2024-5974watchguardfireware+1EPSS score1.05%
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.CVE-2026-13722watchguardfireware+1EPSS score0.33%
WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.CVE-2026-13374watchguardfireware+1EPSS score0.27%
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.CVE-2026-13053watchguardfireware+1EPSS score0.64%
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-2026-13384watchguardfireware+1EPSS score0.72%
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.CVE-2026-13373watchguardfireware+1EPSS score0.27%
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.CVE-2026-13224watchguardfireware+1EPSS score0.36%
A path traversal vulnerability in the Fireware OS WebUI management agent allows an authenticated administrator to read or list arbitrary files on the local filesystem by sending a specially crafted management request.CVE-2026-13054watchguardfireware+1EPSS score0.60%
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.CVE-2026-13368watchguardfireware+1EPSS score0.94%
WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of the iked process on Fireboxes that have a Mobile VPN with IKEv2 configured to use an external LDAP authentication server.CVE-2026-13050watchguardfireware+1EPSS score0.64%
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.CVE-2026-13084watchguardfireware+1EPSS score0.61%
A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.
This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2CVE-2026-13728watchguardfireware+1EPSS score0.23%
In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.
This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.CVE-2026-13383watchguardfireware+1EPSS score0.72%
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.CVE-2026-13086watchguardfireware osEPSS score0.44%
A stack-based buffer overflow in the epm (Endpoint Protection Manager) service used by the deprecated Mobile Security feature in WatchGuard Fireware OS allows an unauthenticated remote attacker to execute arbitrary code.CVE-2026-13377watchguardfireware+1EPSS score0.27%
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947.CVE-2026-13376watchguardfireware+1EPSS score0.27%
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS spamBlocker module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-1071.
This issue affects Fireware OS 12.0 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.CVE-2026-13046watchguardfireware+1EPSS score0.37%
A deserialization of untrusted data vulnerability in WatchGuard Fireware OS's SAML single sign-on session handling (samld) allows an attacker who has already obtained the ability to write files on the appliance to execute arbitrary code in the context of the samld service by causing samld to load a maliciously crafted session file.