Watchguard: >> Fireware >> 12.11 Security Vulnerabilities
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.
CVSS Score
8.6
EPSS Score
0.006
Published
2026-07-03
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.
CVSS Score
8.6
EPSS Score
0.006
Published
2026-07-03
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.
CVSS Score
8.6
EPSS Score
0.006
Published
2026-07-03
A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker to escalate their privileges to NT AUTHORITY\SYSTEM on the machine where the client is installed.
This issue affects the Mobile VPN with SSL client for Windows up to and including 2026.2.
CVSS Score
7.3
EPSS Score
0.001
Published
2026-07-03
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 2026.2
CVSS Score
8.7
EPSS Score
0.005
Published
2026-07-03
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.
CVSS Score
9.2
EPSS Score
0.01
Published
2026-07-03
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.
CVSS Score
8.6
EPSS Score
0.007
Published
2026-07-03
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.
CVSS Score
8.6
EPSS Score
0.007
Published
2026-04-01
An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user.
Note, this vulnerability does not affect Firebox platforms that do not support the Access Portal feature, including the T15 and T35.
CVSS Score
8.4
EPSS Score
0.003
Published
2026-03-30
A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.
CVSS Score
7.1
EPSS Score
0.002
Published
2026-03-30