CVE-2026-86134

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service...

CVE-2026-86134 Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service...

EUVD-2026-89605

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service...

CVE-2026-86134 Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service

A NULL pointer dereference vulnerability in the WatchGuard Fireware OS authentication process allows a remote, unauthenticated attacker to crash the management daemon by sending a specially request to the login interface, resulting in a denial of service...

CVE-2026-86133

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

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-2026-86131

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-2026-86132

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-2026-86101

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-2026-18145

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-2026-13046

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...

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-2026-86132 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-2026-86132 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

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-2026-13046 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-2026-81433

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-2026-86131

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 ...