By default, the Spectrum modem is logged in and the password is both admin. For customers using other modems, or not using the Spectrum network, the manufacturer's default password can be used. Each provider will usually print the default password and the name entered below each modem. In most modems, there are.
In case you can't see the default password, try searching for "TP Link * and default password router or go directly to https://speedtestfast.com/what-is-my-ip-address/, select the brand and choose Find Password .
Note: The default login name of the TP-Link wifi modem is always user: admin pass: admin