WatchGuard FireWare OS spamd statushdlr Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of xpath and parameter values provided to the spamd daemon's status and...

WatchGuard FireWare OS samld SAMLSession Deserialization of Untrusted Data Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of WatchGuard FireWare OS. An attacker must first obtain the ability to write to the samld session directory on the target system in order to exploit this vulnerability. The specific flaw exists within...

CVE-2026-86104 Fireware OS Resource Exhaustion in Login Process Allows Denial of Service

An uncontrolled resource consumption vulnerability in the Fireware OS login process wgagent allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted request...

CVE-2026-86104

A vulnerability in the Fireware OS login process (wgagent ) allows a remote, unauthenticated attacker to cause a denial of service . The root cause is an uncontrolled resource consumption issue triggered by sending a specially crafted request. No specific affected versions, remediation details, o...

CVE-2026-86104 Fireware OS Resource Exhaustion in Login Process Allows Denial of Service

An uncontrolled resource consumption vulnerability in the Fireware OS login process wgagent allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted 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-2026-86133 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-2026-86133

An integer underflow vulnerability exists in the WatchGuard Fireware OS IKE daemon (iked ). A remote attacker who has completed the initial IKEv2 handshake can crash the iked process by sending a specially crafted encrypted IKEv2 message, leading to a denial of service . No specific exploit detai...

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-2026-86136

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-2026-86132 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-2026-81433

WatchGuard Fireware OS is affected by a stack-based buffer overflow vulnerability in its DHCP fingerprinting daemon (fingerd ). An unauthenticated attacker with adjacent network access can exploit this by sending a specially crafted DHCP packet to execute arbitrary code or cause a process crash. ...

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-2026-18105

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-2026-86131 Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution

A code injection vulnerability in WatchGuard Fireware OS's BOVPN Over TLS client configuration handling allows an attacker who controls the remote VPN server to execute arbitrary commands as root on the connecting Firebox...

CVE-2026-90441 Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant B

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-2026-86128 Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service

A NULL pointer dereference vulnerability in Fireware OS's NetFlow packet-processing feature allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted IPv6 packet...

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-2026-86105

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-2026-86136 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...