VulnSea

WatchGuard has 66 CVEs on record between 2024 and 2026. Disclosure cadence is accelerating: 43 in the last 90 days against 0 in the 90 before. The busiest recent month was October 2026 with 21. The median CVSS is 7.5 (high), with 16 rated critical. 3% have been exploited in the wild, in line with the corpus average. The dominant weakness classes are CWE-787 (10) and CWE-121 (8). Most affected products: fireware (33), Fireware OS (19), WatchGuard AP (3).

CVEs per month

Last 12 months, by publish date

120102030405060708091011
Exploited share
3% vs 1% corpus
Median CVSS
7.5
Publish → KEV
—(2)
Last 90 days
43 prev 0

Products

  • fireware 33
  • Fireware OS 19
  • WatchGuard AP 3
  • WatchGuard Agent 3
  • authentication_gateway 3
  • Dimension 1
66
Total CVEs
16
Critical
2
CISA KEV
2
Exploited

WatchGuard vulnerabilities

CVEs affecting WatchGuard, newest first. Open any entry for full detail, references, and exploit status.

66 CVEsRSS

CVE-2026-18105Medium· 6.5
1mo ago

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 …

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 …

▾ Sunlitwatchguard · firewareEPSS 0.24%via NVD
CVE-2026-90441High· 8.1
1mo ago

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…

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…

▾ Twilightwatchguard · firewareEPSS 0.23%via NVD
CVE-2026-86133High· 7.5
1mo ago

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, r…

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, r…

▾ Twilightwatchguard · firewareEPSS 0.35%via NVD
CVE-2026-13224Medium· 4.9⚖ disputed
1mo ago

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.

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.

▾ Sunlitwatchguard · firewareEPSS 0.36%via NVD
CVE-2026-86131Critical· 9.8
1mo ago

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.

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.

▾ Midnightwatchguard · firewareEPSS 0.47%via NVD
CVE-2026-13046High· 7.2
1mo ago

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 …

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 …

▾ Twilightwatchguard · firewareEPSS 0.37%via NVD
CVE-2026-101891Critical· 9.3
1mo ago

An improper access control vulnerability in an internal API service on WatchGuard Access Points allows an unauthenticated attacker with network access to the AP to obtain a valid API session.

An improper access control vulnerability in an internal API service on WatchGuard Access Points allows an unauthenticated attacker with network access to the AP to obtain a valid API session.

▾ MidnightWatchGuard · WatchGuard APEPSS 0.31%via NVD
CVE-2026-87969High· 8.6
1mo ago

An OS command injection vulnerability in the WatchGuard AP diagnostic CLI allows an authenticated administrator to execute arbitrary operating system commands by supplying crafted input.

An OS command injection vulnerability in the WatchGuard AP diagnostic CLI allows an authenticated administrator to execute arbitrary operating system commands by supplying crafted input.

▾ TwilightWatchGuard · WatchGuard APEPSS 1.4%via NVD
CVE-2026-86102Critical· 9.3
1mo ago

An OS command injection vulnerability in the WatchGuard AP internal API service allows an attacker with network access to the AP to execute arbitrary shell commands on the underlying operating system.

An OS command injection vulnerability in the WatchGuard AP internal API service allows an attacker with network access to the AP to execute arbitrary shell commands on the underlying operating system.

▾ MidnightWatchGuard · WatchGuard APEPSS 2.3%via NVD
CVE-2026-95676High· 7.5
1mo ago

A missing/improper authentication vulnerability in the WatchGuard AuthPoint Gateway's LDAP Sync first-factor authentication allows a remote attacker to bypass single-factor password verification under non-default operating conditions

A missing/improper authentication vulnerability in the WatchGuard AuthPoint Gateway's LDAP Sync first-factor authentication allows a remote attacker to bypass single-factor password verification under non-default operating conditions. Ad…

▾ Twilightwatchguard · authentication_gatewayEPSS 0.38%via NVD
CVE-2026-86135High· 7.0
1mo ago

A Cross-Site Request Forgery (CSRF) vulnerability in WatchGuard Dimension's database snapshot creation feature allows a remote attacker to trigger unauthorized snapshot creation by tricking an authenticated administrator into visiting a …

A Cross-Site Request Forgery (CSRF) vulnerability in WatchGuard Dimension's database snapshot creation feature allows a remote attacker to trigger unauthorized snapshot creation by tricking an authenticated administrator into visiting a …

▾ TwilightWatchGuard · DimensionEPSS 0.25%via NVD
CVE-2026-19313Critical· 9.3
2mo ago

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.

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.

▾ MidnightWatchGuard · Fireware OSEPSS 0.71%via NVD
CVE-2026-57910Critical· 9.3
2mo ago

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

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

▾ MidnightWatchGuard · WatchGuard AgentEPSS 0.24%via NVD
CVE-2026-3987High· 7.2
7mo ago

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.

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.

▾ Twilightwatchguard · firewareEPSS 0.68%via NVD
CVE-2026-4315Medium· 6.5
7mo ago

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 v…

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 v…

▾ Sunlitwatchguard · firewareEPSS 0.17%via NVD
CVE-2026-4266Medium· 6.7
7mo ago

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. No…

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. No…

▾ Sunlitwatchguard · firewareEPSS 0.27%via NVD
CVE-2026-3344Medium· 4.9
8mo ago

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.

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.

▾ Sunlitwatchguard · firewareEPSS 0.29%via NVD
CVE-2026-3343Medium· 6.1
8mo ago

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.

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.

▾ Sunlitwatchguard · firewareEPSS 0.21%via NVD
CVE-2025-14733Critical· 9.8CISA KEV0dayPoC
10mo ago

An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code

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 V…

▾ Hadalwatchguard · firewareEPSS 29%via NVD
CVE-2025-1547High· 7.2
11mo ago

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.

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.

▾ Twilightwatchguard · firewareEPSS 0.35%via NVD
CVE-2025-1545High· 7.5
11mo ago

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

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 v…

▾ Twilightwatchguard · firewareEPSS 0.48%via NVD
CVE-2025-13940Medium· 5.5
11mo ago

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 integri…

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 integri…

▾ Sunlitwatchguard · firewareEPSS 0.13%via NVD
CVE-2025-13939Medium· 6.1
11mo ago

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Gateway Wireless Controller module) allows Stored XSS.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Gateway Wireless Controller module) allows Stored XSS.

▾ Sunlitwatchguard · firewareEPSS 0.20%via NVD
CVE-2025-13938Medium· 6.1
11mo ago

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Autotask Technology Integration module) allows Stored XSS.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Autotask Technology Integration module) allows Stored XSS.

▾ Sunlitwatchguard · firewareEPSS 0.20%via NVD
CVE-2025-13937Medium· 6.1
11mo ago

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS.

▾ Sunlitwatchguard · firewareEPSS 0.20%via NVD
CVE-2025-13936Medium· 6.1
11mo ago

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.

▾ Sunlitwatchguard · firewareEPSS 0.20%via NVD
CVE-2025-11838High· 7.5
11mo ago

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 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…

▾ Twilightwatchguard · firewareEPSS 0.50%via NVD
CVE-2025-6946Medium· 4.8
11mo ago

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the 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 vulnerabil…

▾ Sunlitwatchguard · firewareEPSS 0.24%via NVD
CVE-2025-9242Critical· 9.8CISA KEVPoC
1y ago

An Out-of-bounds Write vulnerability in the WatchGuard Fireware OS iked process may allow a remote unauthenticated attacker to execute arbitrary code

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 V…

▾ Hadalwatchguard · firewareEPSS 92%via NVD
CVE-2025-0178Medium· 6.1
1y ago

An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access to manipulate the value of the HTTP Host header in requests sent to the Web UI

An Improper Input Validation vulnerability in WatchGuard Fireware OS allows an attacker with network access to manipulate the value of the HTTP Host header in requests sent to the Web UI. An attacker could exploit this vulnerability to r…

▾ Sunlitwatchguard · firewareEPSS 0.24%via NVD
WatchGuard vulnerabilities (CVEs) — page 2 · VulnSea