CVE-2026-86105 Fireware OS Improper Authorization in Access Portal Reverse Proxy

An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to...

CVE-2026-86136 Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant A

A missing authorization vulnerability in the wgagent management daemon's session initialization function allows an authenticated, low-privileged user including a read-only or guest administrator account to crash the wgagent process and read arbitrary files accessible to the daemon by submitting a...

CVE-2026-86101

A remote, authenticated SAML user can exploit an improper authorization vulnerability in the WatchGuard Fireware OS SAML login process. By sending a specially crafted request, an attacker with legitimate access only to the Access Portal can obtain unauthorized Mobile VPN with SSL access . No spec...

CVE-2026-86101 Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN Access

An improper authorization vulnerability in WatchGuard Fireware OS's SAML login process allows a remote, authenticated SAML user with access only to the Access Portal to obtain unauthorized Mobile VPN with SSL access through a specially crafted request...

CVE-2026-13046 Fireware OS Deserialization of Untrusted Data in samld Allows Remote Code Execution

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...

CVE-2026-13224 Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File Read

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-2026-86131

A code injection vulnerability exists in the WatchGuard Fireware OS during the handling of BOVPN Over TLS client configurations. This flaw allows an attacker who controls a remote VPN server to execute arbitrary commands with root privileges on the connecting Firebox . No specific patch versions ...

CVE-2026-18105 Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service

An uncontrolled resource consumption vulnerability in Fireware OS's diagnostic tasks feature allows a low-privileged, authenticated user to cause a denial of service of the system's diagnostic tools by repeatedly starting and aborting a specially crafted diagnostic task through the web UI...

CVE-2026-13046

A deserialization of untrusted data vulnerability exists in the SAML single sign-on session handling (samld) component of WatchGuard Fireware OS . An attacker who has already successfully obtained the ability to write files on the appliance can execute arbitrary code in the context of the samld s...

CVE-2026-90441

The Fireware OS is affected by a missing authorization vulnerability in the wgagent management daemon's session initialization function. An authenticated, low-privileged user—such as a guest or read-only administrator—can submit a specially crafted management API request to crash the wgagent proc...

CVE-2026-81433 Fireware OS Pre-Authentication Stack Buffer Overflow in fingerd Allows Remote Code Execution

A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon fingerd allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet...

CVE-2026-86133 Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of Service

An integer underflow vulnerability in the WatchGuard Fireware OS IKE daemon iked allows a remote attacker who has completed the initial IKEv2 handshake to crash the iked process by sending a specially crafted encrypted IKEv2 message, resulting in a denial of service...

CVE-2026-86136 Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant A

A missing authorization vulnerability in the wgagent management daemon's session initialization function allows an authenticated, low-privileged user including a read-only or guest administrator account to crash the wgagent process and read arbitrary files accessible to the daemon by submitting a...

PT-2026-102954

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS affected versions not specified Description A code injection issue exists in the BOVPN Over TLS client configuration handling. An attacker who controls the remote VPN server can execute arbitrary commands with root...

PT-2026-102956

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS affected versions not specified Description An integer underflow in the IKE daemon iked allows a remote attacker to cause a denial of service. After completing the initial IKEv2 handshake, the attacker can crash the iked...

PT-2026-102947

Name of the Vulnerable Software and Affected Versions Fireware OS affected versions not specified Description An uncontrolled resource consumption issue exists in the diagnostic tasks feature. A low-privileged, authenticated user can trigger a denial of service of the system diagnostic tools by...

PT-2026-102946

Name of the Vulnerable Software and Affected Versions Fireware OS affected versions not specified Description A path traversal issue in the WebUI management agent allows an authenticated administrator to read or list arbitrary files on the local filesystem by sending a specially crafted managemen...

PT-2026-102945

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS affected versions not specified Description An issue exists in the SAML single sign-on session handling samld where untrusted data is deserialized. An attacker who has already obtained the ability to write files on the...

PT-2026-102953

Name of the Vulnerable Software and Affected Versions Fireware OS affected versions not specified Description A NULL pointer dereference in the NetFlow packet-processing feature allows a remote, unauthenticated attacker to trigger a denial of service by sending a specially crafted IPv6 packet. A...

PT-2026-102949

Name of the Vulnerable Software and Affected Versions WatchGuard Fireware OS affected versions not specified Description A stack-based buffer overflow occurs in the DHCP fingerprinting daemon fingerd. An unauthenticated attacker with adjacent network access can execute arbitrary code or cause the...