WatchGuard Fireware OS

91 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2026-904652025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Missing Authentication in FireCluster Sync Allows Privilege EscalationCRITICAL 9.4
CVE-2026-938622025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Out-of-Bounds Read in FireCluster Sync Allows Denial of ServiceHIGH 7.2
CVE-2026-9343412.0 – < 12.5.22Fireware OS XPath Injection in SSH Authentication Allows Blind Extraction of Configuration SecretsHIGH 8.7
CVE-2026-904642025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Missing Command Validation allows Authenticated Arbitrary File Modification as RootHIGH 7.2
CVE-2026-904422025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Authenticated Stack Buffer Overflow in certd Allows Denial of ServiceHIGH 8.6
CVE-2026-1138812025.1 – < 2026.4 ; 12.9 – < 12.12.4Fireware OS Stack Buffer Overflow in VPN Network Access Enforcement Allows Unprivileged Code ExecutionMEDIUM 6.1
CVE-2026-1127102025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Remote Code ExecutionCRITICAL 9.2
CVE-2026-1127092025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Remote Code ExecutionCRITICAL 9.2
CVE-2026-1035932025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Stack Buffer Overflow in Logging Service Allows Remote Code ExecutionCRITICAL 9.1
CVE-2026-938662025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Pre-Authentication Integer Overflow in Access Portal Allows Out-of-Bounds WriteCRITICAL 9.2
CVE-2026-938652025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Missing Authentication in FireCluster Sync Daemon Allows Remote Root Action InjectionCRITICAL 9.2
CVE-2026-938642025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Link Following in firewalld Allows Local Arbitrary File Overwrite as RootHIGH 7.1
CVE-2026-938572025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Pre-Authentication Stack Buffer Overflow in SIP Proxy Allows Remote Code ExecutionCRITICAL 9.2
CVE-2026-823322025.1 – < 2026.4 ; 12.7 – < 12.12.4Fireware OS Improper Authentication in AuthPoint MFA Verification Allows Session HijackingMEDIUM 5.7
CVE-2026-1111072025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS NULL Pointer Dereference in Management Interface Allows Unauthenticated Denial of ServiceHIGH 8.7
CVE-2026-1043812025.1 – < 2026.4 ; 12.0 – < 12.12.4Fireware OS Missing Authentication in FireCluster State Sync Allows BOVPN Tunnel Denial of ServiceMEDIUM 6.0
CVE-2026-1035942026.2 – < 2026.4 ; 12.12 – < 12.12.4Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code ExecutionCRITICAL 9.5
CVE-2026-861342026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of ServiceHIGH 8.70.4 %
CVE-2026-861042026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Resource Exhaustion in Login Process Allows Denial of ServiceHIGH 8.70.4 %
CVE-2026-904412026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant BHIGH 7.10.2 %
CVE-2026-861362026.0 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Missing Authorization in wgagent Management API Allows Denial of Service - Variant AHIGH 7.10.3 %
CVE-2026-861332026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Pre-Authentication Integer Underflow in iked Allows Remote Denial of ServiceHIGH 8.20.3 %
CVE-2026-861322026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Pre-Authentication Integer Underflow in iked Allows Denial of ServiceHIGH 8.20.4 %
CVE-2026-861312026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Code Injection in BOVPN Over TLS Client Allows Remote Code ExecutionCRITICAL 9.20.5 %
CVE-2026-861282026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of ServiceHIGH 8.20.4 %
CVE-2026-861052026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Improper Authorization in Access Portal Reverse ProxyMEDIUM 6.00.3 %
CVE-2026-861012026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN AccessHIGH 7.20.2 %
CVE-2026-814332026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Pre-Authentication Stack Buffer Overflow in fingerd Allows Remote Code ExecutionHIGH 8.70.2 %
CVE-2026-181452026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code ExecutionHIGH 8.60.4 %
CVE-2026-181052026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Uncontrolled Resource Consumption in Diagnostic Tasks Allows Denial of ServiceHIGH 7.10.2 %
CVE-2026-1322412.0 – < 12.5.21Fireware OS Path Traversal in WebUI Management Agent Allows Arbitrary Local File ReadHIGH 8.20.4 %
CVE-2026-130462026.3 – < 2026.3.2 ; 2025.0 – < 2026.2.3 ; 12.0 – < 12.12.3Fireware OS Deserialization of Untrusted Data in samld Allows Remote Code ExecutionHIGH 7.50.4 %
CVE-2026-780112025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)HIGH 8.70.5 %
CVE-2026-193172025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)HIGH 8.70.5 %
CVE-2026-193152025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Pre-Authentication Type Confusion in iked Allows Remote Code ExecutionCRITICAL 9.30.7 %
CVE-2026-193142025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)HIGH 8.70.5 %
CVE-2026-780102025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Stack-Based Buffer Overflow in iked Allows Unauthenticated Denial of ServiceHIGH 8.70.5 %
CVE-2026-780092025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Out-of-Bounds Read in iked Allows Unauthenticated Denial of Service (DoS)HIGH 8.70.5 %
CVE-2026-780082025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Authenticated Buffer Overflow in wgagentHIGH 8.60.6 %
CVE-2026-193182025.0 – < 2026.2.2 ; 12.0 – < 12.12.2Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code ExecutionCRITICAL 9.30.7 %
CVE-2026-193162025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Pre-Authentication Double Free in iked Allows Denial of Service (DoS)HIGH 8.70.5 %
CVE-2026-193132025.0 – < 2026.2.2 ; 12.0 – < 12.12.2Fireware OS Pre-Authentication Heap Buffer Overflow in iked Allows Remote Code ExecutionCRITICAL 9.30.7 %
CVE-2026-130862025.0 – < 2026.2.2 ; 12.0 – < 12.12.2 ; 2026.3 – < 2026.3.1Fireware OS Stack-Based Buffer Overflow in Mobile Security epm EndpointCRITICAL 9.30.7 %
CVE-2026-818512025.0 – < 2026.2.1 ; 12.0 – < 12.12.1Fireware OS Heap-Based Buffer Overflow in iked Allows Denial of ServiceMEDIUM 6.90.4 %
CVE-2026-130532025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; ≥ 11.0WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command HandlerHIGH 8.60.6 %
CVE-2026-130502025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; ≥ 11.8WatchGuard Firebox networkd Out of Bounds Write VulnerabilityHIGH 8.60.6 %
CVE-2026-130542025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; ≥ 11.0WatchGuard Firebox Arbitrary File Write via Path Traversal in Management Web UIHIGH 8.60.6 %
CVE-2026-82472025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; ≥ 11.0WatchGuard Firebox admd Out of Bounds Write VulnerabilityHIGH 7.70.4 %
CVE-2026-137282025.1 – < 2026.2.1 ; 12.0 – < 12.12.1WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential DatabaseMEDIUM 5.90.2 %
CVE-2026-130842025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; ≥ 11.10.2Null Pointer Dereference in WatchGuard Fireware OS iked ProcessHIGH 8.70.6 %
CVE-2026-133682025.1 – < 2026.2.1WatchGuard Firebox Race Condition and Use-After-Free in Mobile VPN with IKEv2 LDAP AuthenticationCRITICAL 9.20.9 %
CVE-2026-137222025.1 – < 2026.2.1 ; 12.0 – < 12.12.1 ; 11.0 – 11.12.4+541730WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OSHIGH 8.60.3 %
CVE-2026-133842025.1 – < 2026.2.1 ; 12.1 – < 12.12.1WatchGuard Firebox wgagent Out of Bounds Write VulnerabilityHIGH 8.60.7 %
CVE-2026-133832025.1 – < 2026.2.1 ; 12.1 – < 12.12.1WatchGuard Firebox ikestubd Out of Bounds Write VulnerabilityHIGH 8.60.7 %
CVE-2026-1337712.0 – < 12.11.9WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy ConfigurationMEDIUM 4.80.3 %
CVE-2026-133762025.1 – < 2026.2.1 ; 12.0 – < 12.12.1WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker ModuleMEDIUM 4.80.3 %
CVE-2026-133752025.1 – < 2026.2.1 ; 12.4 – < 12.12.1 ; 2025.1 – 2026.2WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology Integration ConfigurationMEDIUM 4.80.3 %
CVE-2026-133742025.1 – < 2026.2.1 ; 12.4 – < 12.12.1WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technology Integration ConfigurationMEDIUM 4.80.3 %
CVE-2026-133732025.1 – < 2026.2.1 ; 12.4 – < 12.12.1WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Tigerpaw Technology Integration ConfigurationMEDIUM 4.80.3 %
CVE-2026-133712025.1 – < 2026.2.1 ; 12.0 – < 12.12.1WatchGuard Firebox Management Web UI Denial of Service via Unsafe DeserializationMEDIUM 6.90.6 %
CVE-2026-39872025.1 – < 2026.2 ; 12.6.1 – < 12.12WatchGuard Firebox Arbitrary File Write vis Path Traversal in Fireware Web UIHIGH 8.60.7 %
CVE-2026-43152025.1 – < 2026.2 ; 12.0 – < 12.12 ; 11.8 – 11.12.4+541730WatchGuard Firebox Cross-Site Request Forgery (CSRF) in Fireware Web UIHIGH 7.10.2 %
CVE-2026-42662025.1 – < 2026.2 ; 12.1 – < 12.12WatchGuard Firebox Insecure Deserialization in Fireware Access PortalHIGH 8.40.3 %
CVE-2026-33442025.1 – < 2026.1.2 ; 12.0 – < 12.11.8WatchGuard Firebox System Integrity Check BypassMEDIUM 6.90.3 %
CVE-2026-33432025.1 – < 2026.1.2 ; 12.7 – < 12.11.8WatchGuard Firebox Reflected Cross-Site-Scripting (XSS) Vulnerability in Fireware Web UIMEDIUM 5.10.2 %
CVE-2026-334211.9 – 11.12.4+541730 ; 12.0 – 12.11.7 ; 12.5 – 12.5.16 ; …WatchGuard Firebox Out of Bounds Write VulnerabilityHIGH 8.66.7 %
CVE-2026-14982025.1 – < 2026.1 ; 12.0 – < 12.11.7WatchGuard Firebox LDAP InjectionHIGH 7.00.9 %
CVE-2025-147332025.1 – < 2025.1.4 ; 12.0 – < 12.11.6 ; 11.10.2 – 11.12.4+541730WatchGuard Firebox iked Out of Bounds Write VulnerabilityCRITICAL 9.329 %KEV
CVE-2025-154712.0 – 12.11.3WatchGuard Firebox Authenticated Stack Overflow in Certificate Request CommandHIGH 7.50.4 %
CVE-2025-694612.0 – < 12.11.3WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in IPS ConfigurationMEDIUM 4.80.2 %
CVE-2025-15452025.1 – < 2025.1.3 ; 12.0 – < 12.11.5 ; 11.11 – 11.12.4+541730WatchGuard Firebox XPath Injection Vulnerability in Web CGIHIGH 8.20.5 %
CVE-2025-118382025.1 – 2025.1.3 ; 12.6.1 – 12.11.5WatchGuard Firebox iked Memory Corruption VulnerabilityHIGH 8.70.5 %
CVE-2025-139402025.1 – < 2025.1.3 ; 12.8.1 – < 12.11.5WatchGuard Firebox Boot Time System Integrity Check BypassMEDIUM 6.70.1 %
CVE-2025-139392025.1 – < 2025.1.3 ; 12.0 – < 12.11.5 ; 11.7.2 – 11.12.4+541730WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Gateway Wireless ControllerMEDIUM 4.80.2 %
CVE-2025-1393812.0WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Autotask Technology Integration ConfigurationMEDIUM 4.80.2 %
CVE-2025-139372025.1 – < 2025.1.3 ; 12.0 – < 12.11.5WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technology Integration ConfigurationMEDIUM 4.80.2 %
CVE-2025-139362025.1 ; 12.0 – < 12.11.5WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Tigerpaw Technology Integration ConfigurationMEDIUM 4.80.2 %
CVE-2025-121962025.1 ; 12.0 – < 12.11.5WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Ping CommandHIGH 8.60.6 %
CVE-2025-121952025.1 – < 2025.1.3 ; 12.0 – < 12.11.5 ; 11.0 – 11.12.4+541730WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI IPSec ConfigurationHIGH 8.60.7 %
CVE-2025-120262025.1 – < 2025.1.3 ; 12.0 – 12.11.5WatchGuard Firebox Authenticated Out of Bounds Write in certdHIGH 8.60.4 %
CVE-2025-410612.0 – < 12.11.3WatchGuard Firebox leftover debug code vulnerabilityHIGH 8.90.3 %
CVE-2025-924211.0 – 11.12.4+541730 ; 12.0 – < 12.11.4 ; 2025.0 – < 2025.1.1WatchGuard Firebox iked Out of Bounds Write VulnerabilityCRITICAL 9.392 %KEV
CVE-2025-694712.0 – < 12.11.3WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in SIP Proxy ConfigurationMEDIUM 4.80.5 %
CVE-2025-699912.0 – < 12.11.3WatchGuard Firebox Authentication Portal Request Smuggling VulnerabilityMEDIUM 6.90.4 %
CVE-2025-480512.0 – < 12.11.2WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Acces Portal ConfigurationMEDIUM 4.80.6 %
CVE-2025-480412.0 – < 12.11.2WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Hotpot ConfigurationMEDIUM 4.80.5 %
CVE-2025-017812.0 – < 12.11.1WatchGaurd Firebox Host Header Injection VulnerabilityMEDIUM 5.10.2 %
CVE-2025-123912.0 – < 12.11.1WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in Blocked Sites ListMEDIUM 4.80.6 %
CVE-2025-107112.0 – < 12.11.1WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in spamBlocker ModuleMEDIUM 4.80.3 %
CVE-2022-31749< 12.8.1 ; 12.x – < 12.1.4 ; 12.2.x – < 12.5.x ; …Authenticated arbitrary file read/write in WatchGuard Fireware OSMEDIUM 6.51.3 %
CVE-2024-597411.9.4 – < 12.10.4Firebox Authenticated Buffer Overflow VulnerabilityHIGH 8.61.1 %