CyberSecBulletin

WatchGuard vulnerabilities

We track 97 vulnerabilities in WatchGuard products across 21 products. 97 are rated high or critical, and 4 have been exploited in real attacks. The most recent was published on November 10, 2026.

97vulnerabilities
26critical
71high
4exploited
8.3average CVSS score

Latest WatchGuard vulnerabilities

  • 8.6 High severity

    Dimension: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-78612WatchGuard

    WatchGuard Dimension contains an authenticated SQL injection vulnerability in the scheduled report feature which allows an authenticated user with report administration permissions gain arbitrary command execution as the Dimension WebUI process user by sending

  • 8.4 High severity

    Dimension: Cross-Site Request Forgery

    CVE-2026-78610WatchGuard

    WatchGuard Dimension's Web UI exposes an administrator passphrase change action that lacks CSRF protection. An attacker who can induce an authenticated global administrator's browser to visit a crafted link or page can change that administrator's passphrase to

  • 9.3 Critical severity

    Dimension: Exposure of Sensitive Information to an Unauthorized Actor

    CVE-2026-78174WatchGuard

    WatchGuard Dimension records unredacted session identifiers for logged-in users in its web UI diagnostic log. A low-privileged Dimension Administrator can retrieve this log and extract a Super Administrator's session token while that administrator is logged in

  • 8.7 High severity

    Fireware OS: Integer Underflow (Wrap or Wraparound)

    CVE-2026-78011WatchGuard

    An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 8.7 High severity

    Fireware OS: Stack-based Buffer Overflow

    CVE-2026-78010WatchGuard

    A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process iallows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 8.7 High severity

    An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote…

    CVE-2026-78009WatchGuard

    An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 8.6 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-78008WatchGuard

    A buffer overflow vulnerability in the WatchGuard Fireware OS Management Web UI allows an authenticated administrator with network access to cause a denial of service (DoS) condition or potentially execute arbitrary code by sending specially crafted network tr

  • 9.3 Critical severity

    Fireware OS: Stack-based Buffer Overflow

    CVE-2026-19318WatchGuard

    A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

  • 8.7 High severity

    Fireware OS: Out-of-bounds Read

    CVE-2026-19317WatchGuard

    An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 8.7 High severity

    Fireware OS: Double Free

    CVE-2026-19316WatchGuard

    A double-free vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 9.3 Critical severity

    Fireware OS: Out-of-bounds Read

    CVE-2026-19315WatchGuard

    A type confusion vulnerability in the iked process of WatchGuard Fireware OS allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

  • 8.7 High severity

    Fireware OS: Integer Underflow (Wrap or Wraparound)

    CVE-2026-19314WatchGuard

    An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.

  • 9.3 Critical severity

    Fireware OS: Heap-based Buffer Overflow

    CVE-2026-19313WatchGuard

    An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.

  • 8.7 High severity

    Dimension: Uncontrolled Resource Consumption

    CVE-2026-13108WatchGuard

    WatchGuard Dimension is susceptible to a denial-of-service condition when an attacker sends a high volume of TCP SYN packets to the log listening service.

  • 9.3 Critical severity

    Fireware OS: Stack-based Buffer Overflow

    CVE-2026-13086WatchGuard

    A stack-based buffer overflow in the epm (Endpoint Protection Manager) service used by the deprecated Mobile Security feature in WatchGuard Fireware OS allows an unauthenticated remote attacker to execute arbitrary code.

  • 9.3 Critical severity

    WatchGuard Agent: Missing Authentication for Critical Functionality

    CVE-2026-57910WatchGuard

    Improper authentication in the WatchGuard Agent allows an unauthenticated attacker with network access to cause the agent to execute arbitrary code with elevated privileges.

  • 9.4 Critical severity

    WatchGuard Agent: Improper Control of Generation of Code

    CVE-2026-57909WatchGuard

    A path traversal vulnerability in WatchGuard Agent allows a remote, unauthenticated attacker on an adjacent network to execute arbitrary code on an affected system.

  • 8.8 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-8247WatchGuard

    An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an unauthenticated attacker on the same local network segment to execute arbitrary code. This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and in

  • 7.2 High severity

    Fireware OS: Improper Verification of Cryptographic Signature

    CVE-2026-13722WatchGuard

    WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-13384WatchGuard

    An Out-of-bounds Write vulnerability in WatchGuard Fireware OS wgagent process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-13383WatchGuard

    An Out-of-bounds Write vulnerability in WatchGuard Fireware OS ikestubd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.

  • 8.1 High severity

    Fireware OS: Use After Free

    CVE-2026-13368WatchGuard

    WatchGuard Fireware OS contains a race condition leading to a use-after-free vulnerability in LDAP authentication for the Mobile User VPN with IKEv2. A remote unauthenticated attacker could exploit this vulnerability to execute arbitrary code in the context of

  • 7.5 High severity

    Fireware OS: NULL Pointer Dereference

    CVE-2026-13084WatchGuard

    A null pointer dereference vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to create a denial-of-service (DoS) condition by sending specially crafted IKEv2 messages. This vulnerability affects both the Mobile User VPN with I

  • 7.8 High severity

    Mobile VPN with SSL Client: Incorrect Permission Assignment for Critical Resource

    CVE-2026-13079WatchGuard

    A local privilege escalation vulnerability in the WatchGuard Mobile VPN with SSL client for Windows allows a local attacker to escalate their privileges to NT AUTHORITY\SYSTEM on the machine where the client is installed. This issue affects the Mobile VPN with

  • 7.2 High severity

    Fireware OS: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-13054WatchGuard

    A path traversal vulnerability in the WatchGuard Fireware OS Management Web UI allows a privileged authenticated attacker to write arbitrary files on the Firebox's filesystem.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-13053WatchGuard

    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.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-13050WatchGuard

    An Out-of-bounds Write vulnerability in WatchGuard Fireware OS networkd process could allow an authenticated privileged user to execute arbitrary code via a specially crafted requests to the Management Web UI.

  • 7.8 High severity

    WatchGuard Agent: Incorrect Permission Assignment for Critical Resource

    CVE-2026-41288WatchGuard

    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.

  • 7.2 High severity

    Fireware OS: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-3987WatchGuard

    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.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2026-3342WatchGuardEPSS 6.43%

    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 includ

  • 7.0 High severity

    Fireware OS: Improper Neutralization of Special Elements used in an LDAP Query

    CVE-2026-1498WatchGuard

    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 vulnerabilit

  • 9.8 Critical severity

    WatchGuard Firebox Out of Bounds Write Exploited

    CVE-2025-14733WatchGuardEPSS 29.4%

    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 con

  • 7.2 High severity

    Fireware OS: Stack-based Buffer Overflow

    CVE-2025-1547WatchGuard

    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.

  • 7.5 High severity

    Fireware OS: XML Injection

    CVE-2025-1545WatchGuard

    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 affec

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2025-12196WatchGuard

    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.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2025-12195WatchGuard

    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.

  • 7.2 High severity

    Fireware OS: Out-of-bounds Write

    CVE-2025-12026WatchGuard

    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.

  • 7.5 High severity

    Fireware OS: Release of Invalid Pointer or Reference

    CVE-2025-11838WatchGuard

    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

  • 8.9 High severity

    Fireware OS: Active Debug Code

    CVE-2025-4106WatchGuard

    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.

  • 9.8 Critical severity

    WatchGuard Firebox Out-of-Bounds Write Exploited

    CVE-2025-9242WatchGuardEPSS 92.2%

    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 con