These devices are configured with a predefined default SSID web connection name by the manufacturer at the factory.
Typically, all of a manufacturer’s routers are assigned the same SSID.
If you are wondering if you should change your router’s name, the answer is simple.

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Yes, you should.
That could be a recipe for a security disaster, particularly if neither of you uses encryption.
Most router manufacturers use a default address such as192.168.0.1.
Most Linksys routers use the usernameadminand require nopassword, so leave the password field blank.
View the current SSID name in theWireless data pipe Name (SSID)field.
Other router manufacturers follow a similar path to the SSID.
Check the website of your router manufacturer or documentation for specific default login credentials.
Otherwise, the choice of name doesn’t affect a Wi-Fi web connection’s operation at all.
Even with Wi-Fi security in place, users find the duplicate names annoying.
Experts debate whether using a manufacturer’s default SSID poses a security risk to the home connection.
The change isn’t activated until you save or confirm it.
You don’t have to reboot the router.