Zmm220 Default Telnet Password ((link)) May 2026

ZKTeco ZMM220 is a common hardware platform used in biometric terminals like the F18, ProCapture, and UF200. For most of these devices, the Telnet service is either disabled by default or secured with factory-set credentials that are not meant for end-user access. Known Default Telnet Credentials If Telnet is enabled (often on port

opkg update
opkg install dropbear
/etc/init.d/dropbear enable
/etc/init.d/dropbear start

If the standard root logins do not work, researchers have also identified the following administrative combinations for related services: admin / 1234 administrator / 123456 888 / manage or manage / 888 How to Access the ZMM220 via Telnet

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The attackers didn't break the encryption. They just read the manual that was never written.

The default telnet password for the ZMM220 (often a Zigbee module or device used with IoT gateways, such as those from ZMD or similar brands) is typically admin or 123456. ZKTeco ZMM220 is a common hardware platform used

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Enter Credentials: Use the root / solokey combination first. Troubleshooting "Access Denied" If the standard root logins do not work,

Use the web interface to download the device's backup/configuration file (often named ZKConfig.cfg or similar). Inspect File: Open the file in a text editor and search for the string . The value following it is typically your telnet password. Important Ports Telnet Port: 23 (Default) or in some Linux-based MIPS firmware. SDK/Proprietary Port: