Directly accessing the MS Access or SQL database back-end to alter attendance records or user permissions without using the official interface. Common Methods & Tools
Several methods have been reported to compromise ZKTECO systems, including: zkteco crack
: On many devices, you can enter the ID 8888 followed by a dynamic temporary password. Directly accessing the MS Access or SQL database
While discussing potential vulnerabilities: : Communication over port 4370 uses a proprietary
: Regularly update your terminals to the latest official firmware to prevent actual security "cracking" by malicious actors.
: Communication over port 4370 uses a proprietary protocol where the password is a simple 6-digit integer (0-999999), often left at the default "0," making it trivial to brute-force. 2. Software & API Vulnerabilities
: Attackers can bypass face biometrics by presenting a specially crafted QR code containing SQL injection strings to the camera, which can validate access and open doors without a legitimate user present. Default Credentials