CVE-2025-45746: ZKTeco Zkbio Cvsecurity

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In ZKT ZKBio CVSecurity 6.4.1_R an unauthenticated attacker can craft JWT token using the hardcoded secret to authenticate to the service console. NOTE: the Supplier disputes the significance of this report because the service console is typically only accessible from a local area network, and because access to the service console does not result in login access or data access in the context of the application software platform.

Affected products

• ZKTeco Zkbio Cvsecurity: version 6.4.1_r only

Published 2025-05-13. Last modified 2026-06-17.