Relative Path Traversal vulnerability in ZkTeco-based OEM devices allows an attacker to write any file on the system with root privileges. 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 others.
https://securelist.com/biometric-terminal-vulnerabilities/112800/
https://github.com/klsecservices/Advisories/blob/master/K-ZkTeco-2023-003.md