Telnet Default Password Login attack on Open Ports

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You see this notification on the Trend Micro Home Network Security app:

"Telnet Default Password Login (Open Port Scan)"

Why did this happen?

The use of Telnet default login password was detected.

Use of the default password puts your information at risk of disclosure and gives attackers easy access to your home network.

Change the default password of the devices and create a much stronger password. Show me how.

Keywords: Telnet Default Password Login (Open Port Scan),Telnet Default Password Login,Telnet,Open Port,strong password,default password,password

LAST UPDATED: MAR 03, 2026

You see this notification on the Trend Micro Home Network Security app:

"Telnet Default Password Login (Open Port Scan)"

The use of Telnet default login password was detected.

Use of the default password puts your information at risk of disclosure and gives attackers easy access to your home network.

Change the default password of the devices and create a much stronger password. Show me how.

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