Multiple arbitrary file writes in ZkTeco-based OEM devices

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.