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WatchGuard is a United States-based global cybersecurity company that develops and operates security technologies for businesses and managed service providers. Its portfolio addresses network, endpoint, identity, Wi-Fi, cloud management, and threat detection needs, with an international operating footprint.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
As of 10/12/2026, WatchGuard recorded 51 security vulnerabilities in the last 90 days across 6 products, including 39 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.
Over the last 90 days, Fireware OS had the most security vulnerabilities in the WatchGuard ecosystem, with 27 vulnerabilities—approximately 52.94% of the provider's total vulnerabilities during this period.
CVE-2026-13043WatchGuard Endpoint Security Missing Authentication in Kernel Memory Access Driver Allows Arbitrary Kernel Memory AccessCVE-2026-86134Fireware OS Pre-Authentication NULL Pointer Dereference Allows Remote Denial of ServiceCVE-2026-86104Fireware OS Resource Exhaustion in Login Process Allows Denial of ServiceCVE-2026-18145Fireware OS Stack-based Buffer Overflow in spamd Allows Remote Code ExecutionCVE-2026-86101Fireware OS Authorization Bypass in SAML Login Allows Unauthorized SSLVPN Access173 Results | Page 1 of 18
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