CVE-2026-113881 Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Code Execution

A stack-based buffer overflow vulnerability in Fireware OS's VPN Network Access Enforcement process allows an authenticated mobile VPN user to create a denial of service condition and potentially execute arbitrary code as an unprivileged process by sending a specially crafted request...

EUVD-2026-111150

A stack-based buffer overflow vulnerability in the Fireware OS logging service allows a network-adjacent attacker who can impersonate or intercept traffic to the configured log server to execute arbitrary code with root privileges by presenting a specially crafted certificate...

CVE-2026-111107

A NULL pointer dereference vulnerability exists in the management interface of WatchGuard Fireware OS . A remote, unauthenticated attacker with network access to the management interface can crash the management service by sending a specially crafted login request. Repeated exploitation can termi...

CVE-2026-104381

A missing authentication vulnerability exists in the Fireware OS FireCluster state synchronization feature. An unauthenticated attacker positioned on the cluster synchronization network segment can send crafted cluster synchronization traffic to force premature VPN tunnel termination , resulting ...

EUVD-2026-111160

A missing authentication vulnerability in Fireware OS's FireCluster state synchronization feature allows an unauthenticated attacker positioned on the cluster synchronization network segment to force premature VPN tunnel termination by sending crafted cluster synchronization traffic...

CVE-2026-104381 Fireware OS Missing Authentication in FireCluster State Sync Allows BOVPN Tunnel Denial of Service

A missing authentication vulnerability in Fireware OS's FireCluster state synchronization feature allows an unauthenticated attacker positioned on the cluster synchronization network segment to force premature VPN tunnel termination by sending crafted cluster synchronization traffic...

CVE-2026-82332

WatchGuard Fireware OS contains an improper authentication vulnerability (CWE-287, CWE-346) within its AuthPoint multi-factor authentication process. A local, unauthenticated attacker on the appliance can hijack another user's in-progress MFA session by submitting a specially crafted request and ...

CVE-2026-111107 Fireware OS NULL Pointer Dereference in Management Interface Allows Unauthenticated Denial of Service

A NULL pointer dereference vulnerability in WatchGuard Fireware OS’s management interface allows a remote, unauthenticated attacker with network access to the management interface to crash the management service by sending a specially crafted login request. Repeated exploitation terminates all...

EUVD-2026-111161

A NULL pointer dereference vulnerability in WatchGuard Fireware OS’s management interface allows a remote, unauthenticated attacker with network access to the management interface to crash the management service by sending a specially crafted login request. Repeated exploitation terminates all...

CVE-2026-82332 Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session Hijacking

An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted request and convincing the victim user to...

EUVD-2026-111155

An improper authentication vulnerability in WatchGuard Fireware OS's AuthPoint multi-factor authentication process allows a local, unauthenticated attacker on the appliance to hijack another user's in-progress MFA session by supplying a specially crafted request and convincing the victim user to...

EUVD-2026-111157

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled...

CVE-2026-93864

A link following vulnerability exists in the WatchGuard Fireware OS firewall daemon. A local attacker with code execution as a low-privileged system process can overwrite arbitrary files with root privileges and tamper with firewall IP set data. This is achieved by planting a crafted file system ...

CVE-2026-103594 Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution

A stack-based buffer overflow vulnerability in Fireware OS's WireGuard configuration processing allows a remote attacker that has man-in-the-middle TLS-decrypted access between the Firebox and WatchGuard Cloud to create a Denial of Service condition and potentially execute arbitrary code by...

EUVD-2026-111156

A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a specially crafted request through a policy that uses the SIP proxy...

CVE-2026-93857

A stack-based buffer overflow vulnerability exists in the Fireware OS SIP proxy . A remote, unauthenticated attacker can exploit this by sending a specially crafted request through a policy utilizing the SIP proxy, potentially leading to remote code execution . No specific exploit details or reme...

CVE-2026-93865

A missing authentication vulnerability in the Fireware OS FireCluster synchronization daemon allows a remote, unauthenticated attacker to perform privileged system-level administrative actions . This occurs when the clustering feature is enabled and an attacker sends a specially crafted request t...

CVE-2026-93857 Fireware OS Pre-Authentication Stack Buffer Overflow in SIP Proxy Allows Remote Code Execution

A stack-based buffer overflow vulnerability in Fireware OS's SIP proxy allows a remote, unauthenticated attacker to execute arbitrary code by sending a specially crafted request through a policy that uses the SIP proxy...

CVE-2026-93866 Fireware OS Pre-Authentication Integer Overflow in Access Portal Allows Out-of-Bounds Write

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled...

CVE-2026-93866

WatchGuard Fireware OS is susceptible to an integer overflow vulnerability within its WebSocket connection handling used by the Access Portal feature. A remote, unauthenticated attacker can trigger an out-of-bounds write by sending a specially crafted request while the Access Portal is enabled. T...