The ZMM220 platform (often used in ZKTeco devices like the F18) typically uses the following default credentials for Telnet access: Common Default Credentials Username root z1k2t3e4c5h root solokey root colorkey root swsbzkgn Key Login Scenarios
System Root Access: For direct shell access (e.g., via Telnet on port 23 or 10086), use root with z1k2t3e4c5h.
Web Interface/General Admin: If accessing the device's web UI, the default is often admin / admin or administrator / 123456.
Device Menu Access: To unlock the physical device menu, the default PIN is typically 1234 or 8888. Troubleshooting Access
Verify Platform: You can confirm if your device uses the ZMM220 kernel by checking the system information in the device menu or by looking for "ZMM220" in the Telnet welcome banner.
Port 10086: Some ZMM220 devices use port 10086 instead of the standard Telnet port 23 for administrative shell access. zmm220 default telnet password
Temporary Admin Reset: If you are locked out of the physical menu, you can sometimes generate a temporary one-minute password based on the device's current time using tools provided by ZKTeco support or third-party reset guides.
Based on technical documentation and community reports for ZK Teco devices using the ZMM220 core board, the default telnet password is often embedded in the system configuration.
The most commonly reported default telnet password for the ZMM220 is:z1k2t3e4c5h Key Connection Details Username: Often root or admin.
Port: The standard Telnet port is 23, but these devices often use port 4370 for proprietary communication protocols.
Web Interface: If you cannot access Telnet, try the web interface (port 80) where the default credentials are often admin / 123456 or administrator / 1234. How to Find/Verify the Password The ZMM220 platform (often used in ZKTeco devices
If the common password does not work, you can sometimes retrieve it from the device's backup:
Download a backup of the configuration from the web interface.
Extract the backup archive (it may require removing a proprietary header). Locate the ZKConfig.cfg or Config.cfg file.
Search for the line starting with $Telnet= to see the specific password set for your firmware version. Not working with new device - guidance needed #14 - GitHub
CONFIDENTIAL SECURITY ADVISORY
To: IT Security Department / Network Operations Center From: [Your Name/Department] Date: October 26, 2023 Subject: Security Vulnerability Assessment: ZMM220 Default Telnet Credentials
The ZMM220 is a model designation commonly used for embedded devices or networked equipment; many vendors reuse such codes. If you're searching for a "default telnet password" for a ZMM220, here are practical, security-focused points and steps.
Default credentials are widely known and pose a major security risk. If you gain access using default credentials, change them immediately and restrict Telnet access — Telnet is unencrypted; prefer SSH if available.
The ZMM220 is a reference board design often used by Original Equipment Manufacturers (OEMs) for video surveillance and IoT devices.
root privileges. This gives an attacker complete control over the file system, allowing them to: