8888 (Default for general door opening via keypad).
The default login credentials for ZKTeco Web Server 3.0 and related software vary depending on the specific system you are accessing. Below are the standard factory defaults according to ZKTeco official documentation ZKTeco Web Server 3.0 (Device-Based) zkteco web 3.0 default username and password
The default credentials for (typically used for BioTime or similar web-based management platforms) and related hardware are as follows: Web Interface & Administration Username: admin Password: admin (or 123456 in some firmware versions) 8888 (Default for general door opening via keypad)