Tool to demonstrate issue from this post found by mackey: https://www.dslreports.com/forum/r31377755-
Proof of concept code is already public elsewhere.
DoS occurs in either direction - UDP from LAN to WAN or WAN to LAN.
Testing through a local Virgin Media Super Hub 3 modem:
1mbps/2000pps causes ~20ms average latency rise with 200 maximum
2mbps/4000pps causes ~200ms average latency and 65% packet loss
3mbps/6000pps causes ~250ms average latency and 85% packet loss
