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-2026-86101 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-2026-86101 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-2026-13224 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-2026-13224 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-2026-18145 Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution

A stack-based buffer overflow vulnerability in the spamBlocker spamd service of WatchGuard Fireware OS allows an authenticated attacker with administrator privileges to crash the service or potentially execute arbitrary code 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-2026-13046 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-2026-86105

An improper authorization vulnerability exists in the Fireware OS Access Portal reverse proxy. This flaw allows an authenticated, low-privileged Access Portal user to access unauthorized web applications by sending a specially crafted request for a different resource they are permitted to access....

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-2026-86105 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-2026-86132

A pre-authentication integer underflow vulnerability exists in the WatchGuard Fireware OS IKEv2 daemon (iked ). This flaw allows a remote, unauthenticated attacker to cause a Denial of Service (DoS) by crashing the process. The attack is triggered by sending a specially crafted encrypted IKEv2 me...

CVE-2026-18145 Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution

A stack-based buffer overflow vulnerability in the spamBlocker spamd service of WatchGuard Fireware OS allows an authenticated attacker with administrator privileges to crash the service or potentially execute arbitrary code by sending a specially crafted management request...

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-2026-81433 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-2026-86136

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

CVE-2026-18105

A vulnerability in Fireware OS allows a low-privileged, authenticated user to cause a denial of service (DoS) of the system's diagnostic tools. The root cause is an uncontrolled resource consumption flaw within the diagnostic tasks feature. An attacker can trigger this by repeatedly starting and ...

CVE-2026-86132 Fireware OS Pre-Authentication Integer Underflow in iked Allows Denial of Service

An integer underflow vulnerability in the WatchGuard Fireware OS IKEv2 daemon iked allows a remote, unauthenticated attacker to crash the process by sending a specially crafted encrypted IKEv2 message negotiated with an AES-GCM cipher suite...

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-2026-81433 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...