Linksys Velop Pro 6E 1.0.8 MX6200_1.0.8.215731 and 7 1.0.10.215314 devices send cleartext Wi-Fi passwords over the public Internet during app-based installation.
https://stackdiary.com/linksys-velop-routers-send-wi-fi-passwords-in-plaintext-to-us-servers/