You have various issues in the Netgear password. The default Netgear Wi-Fi password is written under the router. It consists of random alphabets and characters. It is very strong as no one can get it easily. If you want to change the Netgear router name and password.
This is how you can access your spectrum router settings.
You can contact the customer support team of the spectrum router to get their assistance.
If someone has changed the password of your router, then you can ask them about the change spectrum Wi-Fi password, and they will tell you the process of that.
Netgear EX7300 (AC2200) WiFi range extender improves the range of the existing WiFi network and creates a secure and powerful wireless home network.
To fix this issue permanently, just go through this particular guide once.
Consider changing the WiFi channel
Your choice of WiFi channels might have a huge effect on your wireless network performance.
It is recommended to choose that channel that avoids interference from other radio frequency devices.
Connect a computer or laptop to your existing router's WiFi network.