Your internet connection stability may not be in question here. It could be an issue on the upstream provider end of your ISP, or the opponent had a network problem, or the potato mode on EA servers kicked in. The H2H connectivity construct has a lot of variability, and issues can arise in many places. Some can be on your end, some in interconnecting networks, some on the opponent’s side, and some EA’s issue.
If you believe this was related to a cheat or exploit, report the suspected cheater in-game as per the current process. Forums cannot help with such investigations.
