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120 vulnerabilities found for Fireware OS by WatchGuard
CVE-2026-78011 (GCVE-0-2026-78011)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:51 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78011 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78010 (GCVE-0-2026-78010)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:53 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78010 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78009 (GCVE-0-2026-78009)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78009 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78008 (GCVE-0-2026-78008)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Authenticated Buffer Overflow in wgagent
Summary
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 traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78008 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19318 (GCVE-0-2026-19318)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19318 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
Affected: 2026.3 , < 2026.3.1 (custom) |
Date Public
2026-08-27 23:24
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CVE-2026-19317 (GCVE-0-2026-19317)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:48 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19317 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19316 (GCVE-0-2026-19316)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19316 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19315 (GCVE-0-2026-19315)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-29 03:55 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19315 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19314 (GCVE-0-2026-19314)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:47 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19314 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19313 (GCVE-0-2026-19313)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Heap Buffer Overflow in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19313 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
Affected: 2026.3 , < 2026.3.1 (custom) |
Date Public
2026-08-27 23:24
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CVE-2026-13086 (GCVE-0-2026-13086)
Vulnerability from nvd – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Stack-Based Buffer Overflow in Mobile Security epm Endpoint
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13086 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-81851 (GCVE-0-2026-81851)
Vulnerability from nvd – Published: 2026-08-27 22:58 – Updated: 2026-08-28 15:57
VLAI
EPSS
VEX
Title
Fireware OS Heap-Based Buffer Overflow in iked Allows Denial of Service
Summary
A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:33 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-81851 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.18
(custom)
|
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CVE-2026-8247 (GCVE-0-2026-8247)
Vulnerability from nvd – Published: 2026-07-02 23:07 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox admd Out of Bounds Write Vulnerability
Summary
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 including 12.12 and 2025.1 up to and including 2026.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-8247 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) Affected: 11.0 , < * (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.19
(custom)
|
Date Public
2026-07-02 23:07
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CVE-2026-13728 (GCVE-0-2026-13728)
Vulnerability from nvd – Published: 2026-07-02 23:07 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database
Summary
In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.
This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 14:55 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13728 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
Date Public
2026-07-02 23:07
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CVE-2026-13722 (GCVE-0-2026-13722)
Vulnerability from nvd – Published: 2026-07-02 23:06 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13722 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) Affected: 11.0 , ≤ 11.12.4+541730 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < *
(custom)
|
Date Public
2026-07-02 23:06
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CVE-2026-13384 (GCVE-0-2026-13384)
Vulnerability from nvd – Published: 2026-07-02 23:05 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox wgagent Out of Bounds Write Vulnerability
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13384 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.1 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.1 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.1 , < 12.5.19
(custom)
|
Date Public
2026-07-02 23:05
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CVE-2026-13383 (GCVE-0-2026-13383)
Vulnerability from nvd – Published: 2026-07-02 23:05 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox ikestubd Out of Bounds Write Vulnerability
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 00:00 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13383 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.1 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.1 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.1 , < 12.5.19
(custom)
|
Date Public
2026-07-02 23:05
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CVE-2026-13377 (GCVE-0-2026-13377)
Vulnerability from nvd – Published: 2026-07-02 23:05 – Updated: 2026-08-27 22:58
VLAI
EPSS
VEX
Title
WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy Configuration
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 15:02 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13377 | vendor-advisory |
| https://www.watchguard.com/wgrd-psirt/advisory/wg… | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
2025.1 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.19
(custom)
|
Date Public
2026-07-02 23:05
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CVE-2026-19315 (GCVE-0-2026-19315)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-29 03:55 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19315 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19314 (GCVE-0-2026-19314)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:47 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19314 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19317 (GCVE-0-2026-19317)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:48 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19317 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78011 (GCVE-0-2026-78011)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:51 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78011 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78010 (GCVE-0-2026-78010)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 16:53 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78010 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-13086 (GCVE-0-2026-13086)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Stack-Based Buffer Overflow in Mobile Security epm Endpoint
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-13086 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19313 (GCVE-0-2026-19313)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Heap Buffer Overflow in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19313 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
Affected: 2026.3 , < 2026.3.1 (custom) |
Date Public
2026-08-27 23:24
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CVE-2026-19316 (GCVE-0-2026-19316)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19316 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-78009 (GCVE-0-2026-78009)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:42 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78009 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-19318 (GCVE-0-2026-19318)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-19318 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
Affected: 2026.3 , < 2026.3.1 (custom) |
Date Public
2026-08-27 23:24
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CVE-2026-78008 (GCVE-0-2026-78008)
Vulnerability from cvelistv5 – Published: 2026-08-27 23:24 – Updated: 2026-09-03 20:49
VLAI
EPSS
VEX
Title
Fireware OS Authenticated Buffer Overflow in wgagent
Summary
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 traffic.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 00:00 UTC
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-78008 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.2
(custom)
Affected: 12.0 , < 12.12.2 (custom) Affected: 2026.3 , < 2026.3.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.20
(custom)
|
Date Public
2026-08-27 23:24
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CVE-2026-81851 (GCVE-0-2026-81851)
Vulnerability from cvelistv5 – Published: 2026-08-27 22:58 – Updated: 2026-08-28 15:57
VLAI
EPSS
VEX
Title
Fireware OS Heap-Based Buffer Overflow in iked Allows Denial of Service
Summary
A heap-based buffer overflow vulnerability in Fireware OS's iked process allows an authenticated administrator to crash the IKE daemon (iked), resulting in a denial of service, by saving a specially crafted configuration.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-28 14:33 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://psirt.watchguard.com/CVE-2026-81851 | vendor-advisory |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| WatchGuard | Fireware OS |
Affected:
2025.0 , < 2026.2.1
(custom)
Affected: 12.0 , < 12.12.1 (custom) |
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.11.9
(custom)
|
|
| WatchGuard | Fireware OS |
Affected:
12.0 , < 12.5.18
(custom)
|
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