During installation, the router sent several data packets to an Amazon server in the US. These packets contained the configured SSID name and password in clear text, as well as some identification tokens for this network within a broader database and an access token for a user session that could potentially enable a MITM attack.
Linksys has refused to acknowledge/respond to the issue.
And a VPN, ad blocking / Pihole, custom DNS / SDNS, stingray detection, SNORT/ IPS/IDS, and better have your wifi and Bluetooth turned off your phone before you go to the market shopping because they’re fingerprinting your Mac addresses there too.