Vulnerabilidades do WatchGuard Fireware

CVE-2026-86134 Alta · 7.5 CWE-476 30/09/2026

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-2026-90441 Alta · 8.1 CWE-200 29/09/2026

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 specially crafted management API request.

CVE-2026-86136 Alta · 8.1 CWE-22 29/09/2026

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 specially crafted management API request.

CVE-2026-86133 Alta · 7.5 CWE-191 29/09/2026

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 Alta · 7.5 CWE-191 29/09/2026

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-2026-86131 Crítica · 9.8 CWE-94 29/09/2026

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-2026-86128 Alta · 7.5 CWE-476 29/09/2026

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-2026-86105 Alta · 7.1 CWE-22 29/09/2026

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 access.

CVE-2026-86104 Alta · 7.5 CWE-400 29/09/2026

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-2026-86101 Média · 6.5 CWE-285 29/09/2026

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-2026-18145 Alta · 7.2 CWE-121 29/09/2026

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-2026-18105 Média · 6.5 CWE-400 29/09/2026

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-2026-13224 Média · 4.9 CWE-22 29/09/2026

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-2026-13046 Alta · 7.2 CWE-502 29/09/2026

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 maliciously crafted session file.

CVE-2026-3987 Alta · 7.2 CWE-22 01/04/2026

WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UI

A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.

CVE-2026-4315 Média · 6.5 CWE-352 30/03/2026

WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UI

A Cross-Site Request Forgery (CSRF) vulnerability in the WatchGuard Fireware OS WebUI could allow a remote attacker to trigger a denial-of-service (DoS) condition in the Fireware Web UI by convincing an authenticated administrator into visiting a malicious web page.

CVE-2026-4266 Média · 6.7 CWE-502 30/03/2026

WatchGuard Firebox Insecure Deserialization in Fireware Access Portal

An Insecure Deserialization vulnerability in WatchGuard Fireware OS allows an attacker that has obtained write access to the local filesystem through another vulnerability to execute arbitrary code in the context of the portald user. Note, this vulnerability does not affect Firebox platforms that do not support the Access Portal feature, including the T15 and T35.

CVE-2026-3344 Média · 4.9 CWE-440 03/03/2026

WatchGuard Firebox System Integrity Check Bypass

A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.

CVE-2026-3343 Média · 6.1 CWE-79 03/03/2026

WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UI

A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management user's browser when they click on a specially crafted link.

CVE-2026-3342 Alta · 7.2 CWE-787 03/03/2026

WatchGuard Firebox Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

CVE-2025-14733 Crítica · 9.8 KEV Urgente · 79 Exploit público Ransomware CWE-787 18/12/2025

WatchGuard Firebox Out of Bounds Write Vulnerability

An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the mobile user VPN with IKEv2 and the branch office VPN using IKEv2 when configured with a dynamic gateway peer. If the Firebox was previously configured with the mobile user VPN with IKEv2 or a branch office VPN using IKEv2 to a dynamic gateway peer, and both of those configurations have since been deleted, that Firebox may still be vulnerable if a branch office VPN to a static gateway peer is still configured.

CVE-2025-6946 Média · 4.8 CWE-79 04/12/2025

WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in IPS Configuration

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the IPS configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management ninterface of another management user.

CVE-2025-1547 Alta · 7.2 CWE-121 04/12/2025

WatchGuard Firebox Authenticated Stack Overflow in Certificate Request Command

A stack-based buffer overflow vulnerability [CWE-121] in WatchGuard Fireware OS's certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.

CVE-2025-1545 Alta · 7.5 CWE-91 04/12/2025

WatchGuard Firebox XPath Injection Vulnerability in Web CGI

An XPath Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from the Firebox configuration through an exposed authentication or management web interface. This vulnerability only affects Firebox systems that have at least one authentication hotspot configured.

CVE-2025-13940 Média · 5.5 CWE-440 04/12/2025

WatchGuard Firebox Boot Time System Integrity Check Bypass

An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure.