zmm220 default telnet password updated

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Earlier iterations of the ZMM220 firmware shipped with a default Telnet password. In many network environments, default credentials remain unchanged by end-users, creating a vulnerability that could be exploited by malicious actors for unauthorized remote access.

The decision to update the did not happen in a vacuum. It was driven by three major factors:

To confirm your device’s firmware version and password status:

Do not rely on blog posts or forums for long-term credential accuracy. Always verify with the device’s documentation or sticker.

In many security best practices, hardcoding a new default password is discouraged. Consider stating that no default password is set, or that it’s uniquely generated per device. Below is a template assuming a new static default (adjust as needed).