S3 Ac2100 | Dual Band Wireless Router Firmware

Her heart rate ticked up.

But late that night, her laptop’s firewall logged an outbound ARP probe to a non-local address. Source IP: the S3 AC2100. Destination: a dormant IP that had just woken up for 0.3 seconds. s3 ac2100 dual band wireless router firmware

The payload? A 44-byte string containing the router’s MAC address, firmware version, and a surprisingly precise geolocation guess from surrounding Wi-Fi SSIDs. Her heart rate ticked up