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Critical · 9.8 CVE-2016-20026 EUVD-2016-10807GHSA-69cj-f4mg-xrg8

ZKTeco ZKBioSecurity 3.0 Hardcoded Credentials Remote Code Execution

Published Mar 15, 2026 · Updated Jul 28, 2026 · Assigned by VulnCheck

Description

ZKTeco ZKBioSecurity 3.0 contains hardcoded credentials in the bundled Apache Tomcat server that allow unauthenticated attackers to access the manager application. Attackers can authenticate with hardcoded credentials stored in tomcat-users.xml to upload malicious WAR archives containing JSP applications and execute arbitrary code with SYSTEM privileges.

Affected products

VendorProductAffectedFixed
ZKTeco ZKTeco ZKBioSecurity 3.0.1.0_R_230 —

References