CVE-2023-3939: ZKTeco Facedepot 7b

Critical severity, CVSS 10.0. EPSS: 1.3% chance of exploitation in the next 30 days.

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in ZkTeco-based OEM devices allows OS Command Injection. Since all the found command implementations are executed from the superuser, their impact is the maximum possible. This issue affects ZkTeco-based OEM devices (ZkTeco ProFace X, Smartec ST-FR043, Smartec ST-FR041ME and possibly others) with the ZAM170-NF-1.8.25-7354-Ver1.0.0 and possibly other.

Affected products

• ZKTeco Facedepot 7b
• ZKTeco Smartec St FR041ME
• ZKTeco Smartec St FR043
• ZKTeco ZKTeco-Based Oem Devices With Firmware ZAM170-Nf-1.8.25-7354-VER1.0.0

Published 2024-05-21. Last modified 2026-06-17.