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Security advisories & CVEs
38 advisories across 32 monitored vendors.
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High [CVE-2026-6787] Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process
Use of Hard-coded Cryptographic Key vulnerability in WatchGuard Agent on Windows allows Inclusion of Code in Existing Process.
High [CVE-2026-41288] Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM
Incorrect permission assignment for a resource in the patch management component of the WatchGuard Agent on Windows allows an authenticated local user to elevate their privileges to NT AUTHORITY\\SYSTEM.
High [CVE-2026-41286] Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers
Stack-based Buffer Overflow vulnerability in the WatchGuard Agent discovery service on Windows allows Overflow Buffers. An unauthenticated attacker on the same local network could exploit this vulnerability to crash the agent service.
High [CVE-2026-3987] 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.
High [CVE-2026-4315] 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.
High [CVE-2026-4266] 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.
High [CVE-2026-1498] WatchGuard Firebox LDAP Injection
An LDAP Injection vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to retrieve sensitive information from a connected LDAP authentication server through an exposed authentication or management web interface. This vulnerability may also allow a remote attacker to authenticate as an LDAP user with a partial identifier if they additionally have that user's valid passphrase.
High [CVE-2025-1547] 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.
High [CVE-2025-1545] 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.
High [CVE-2025-11838] WatchGuard Firebox iked Memory Corruption Vulnerability
A memory corruption vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker to trigger a Denial of Service (DoS) condition in the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.
High [CVE-2025-12196] WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Ping Command
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.
High [CVE-2025-12195] WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI IPSec Configuration
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via specially crafted IPSec configuration CLI commands.
High [CVE-2025-12026] WatchGuard Firebox Authenticated Out of Bounds Write in certd
An Out-of-bounds Write vulnerability in WatchGuard Fireware OS’s certificate request command could allow an authenticated privileged user to execute arbitrary code via specially crafted CLI commands.
High [CVE-2025-4106] WatchGuard Firebox leftover debug code vulnerability
An authenticated admin user with access to both the management WebUI and command line interface on a Firebox can enable a diagnostic debug shell by uploading a platform and version-specific diagnostic package and executing a leftover diagnostic command. Affected product named by the advisory: Fireware OS.
High [CVE-2024-8424] WatchGuard Endpoint Protection Privilege Escalation in PSANHost Enables Arbitrary File Delete as SYSTEM
Improper Privilege Management vulnerability in WatchGuard EPDR, Panda AD360 and Panda Dome on Windows (PSANHost.exe module) allows arbitrary file delete with SYSTEM permissions. Affected products named by the advisory: Endpoint Security.
High [CVE-2024-6594] WatchGuard Firebox Single Sign-On Client Denial-of-Service
Improper Handling of Exceptional Conditions vulnerability in the WatchGuard Single Sign-On Client on Windows causes the client to crash while handling malformed commands. An attacker with network access to the client could create a denial of service condition for the Single Sign-On service by repeatedly issuing malformed commands. Affected product named by the advisory: SSO Client.
High [CVE-2024-5974] Firebox Authenticated Buffer Overflow Vulnerability
A buffer overflow in WatchGuard Fireware OS could may allow an authenticated remote attacker with privileged management access to execute arbitrary code with system privileges on the firewall. This issue affects Fireware OS: from 11.9.6 through 12.10.3.
High [CVE-2024-4944] Mobile VPN with SSL Local Privilege Escalation Vulnerability
A local privilege escalation vlnerability in the WatchGuard Mobile VPN with SSL client on Windows enables a local user to execute arbitrary commands with elevated privileged.