DS Wireless Communication (DWC) with DWC_VERSION_3 and DWC_VERSION_11 allows remote attackers to execute arbitrary code on a game-playing client's machine via a modified GPCM message.
https://github.com/MikeIsAStar/DS-Wireless-Communication-Remote-Code-Execution
http://packetstormsecurity.com/files/177135/DS-Wireless-Communication-Code-Execution.html