It's a dynamic one so it changes every time it reconnects, but it's never from RFC1918 address space. Thank you for taking into consideration this bug.

@TP-Link The IP address is public in my case: 109.112.138.127 right now. Thanks

Steps to reproduce the issue: - Go to System Tools -> Administration - Scroll down to ICMP Ping - Tick checkbox Remote - Click Save button Take note of the IP Address of the WAN interface in the...