Specific brands of Walmart routers with backdoors built in. Be cautious with Jetstream and Wavlink routers.

https://cybernews.com/security/walmart-exclusive-routers-others-made-in-china-contain-backdoors-to-control-devices/?fbclid=IwAR0zTT6pE3Ji79hOUjO9jUOyhDV0ZgeiJS7ONXkch2Tnmx10PLVNn9jlE2k