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150 vulnerabilities found for Fireware OS by WatchGuard
CVE-2026-86134 (GCVE-0-2026-86134)
Vulnerability from nvd – Published: 2026-09-30 03:37 – Updated: 2026-09-30 14:38
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:38 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86134 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-90441 (GCVE-0-2026-90441)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant B
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90441 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86136 (GCVE-0-2026-86136)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant A
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86136 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.0 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86133 (GCVE-0-2026-86133)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86133 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86132 (GCVE-0-2026-86132)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Integer Underflow in iked Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:42 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86132 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86131 (GCVE-0-2026-86131)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:23 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86131 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86128 (GCVE-0-2026-86128)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:41 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86128 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86105 (GCVE-0-2026-86105)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Improper Authorization in Access Portal Reverse Proxy
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:39 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86105 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86104 (GCVE-0-2026-86104)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Resource Exhaustion in Login Process Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:22 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86104 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86101 (GCVE-0-2026-86101)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN Access
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:22 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86101 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-81433 (GCVE-0-2026-81433)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in fingerd Allows Remote Code Execution
Summary
A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:41 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-81433 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* |
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CVE-2026-18145 (GCVE-0-2026-18145)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:15 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-18145 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-18105 (GCVE-0-2026-18105)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:39 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-18105 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-13224 (GCVE-0-2026-13224)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File Read
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13224 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
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CVE-2026-13046 (GCVE-0-2026-13046)
Vulnerability from nvd – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Deserialization of Untrusted Data in samld Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:23 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13046 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.11 , < 12.11.10
(custom)
|
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CVE-2026-86134 (GCVE-0-2026-86134)
Vulnerability from cvelistv5 – Published: 2026-09-30 03:37 – Updated: 2026-09-30 14:38
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:38 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86134 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86104 (GCVE-0-2026-86104)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Resource Exhaustion in Login Process Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:22 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86104 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-18145 (GCVE-0-2026-18145)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:15 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-18145 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86101 (GCVE-0-2026-86101)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN Access
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:22 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86101 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-13046 (GCVE-0-2026-13046)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Deserialization of Untrusted Data in samld Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:23 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13046 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.11 , < 12.11.10
(custom)
|
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CVE-2026-86131 (GCVE-0-2026-86131)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:23 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86131 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-13224 (GCVE-0-2026-13224)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File Read
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13224 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
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CVE-2026-86133 (GCVE-0-2026-86133)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86133 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-90441 (GCVE-0-2026-90441)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant B
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:24 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-90441 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-18105 (GCVE-0-2026-18105)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:39 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-18105 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86105 (GCVE-0-2026-86105)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Improper Authorization in Access Portal Reverse Proxy
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:39 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86105 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86136 (GCVE-0-2026-86136)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant A
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86136 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.0 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86132 (GCVE-0-2026-86132)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Integer Underflow in iked Allows Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:42 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86132 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-86128 (GCVE-0-2026-86128)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:41 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-86128 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.21
(custom)
|
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CVE-2026-81433 (GCVE-0-2026-81433)
Vulnerability from cvelistv5 – Published: 2026-09-29 23:05 – Updated: 2026-09-30 15:28
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in fingerd Allows Remote Code Execution
Summary
A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent network access to execute arbitrary code or crash the process by sending a specially crafted DHCP packet.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 14:41 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-81433 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2026.3 , < 2026.3.2
(custom)
Affected: 2025.0 , < 2026.2.3 (custom) Affected: 12.0 , < 12.12.3 (custom) cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:* |
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