Missing AES encryption in Corsair K63 Wireless 3.1.3 allows physically proximate attackers to inject and sniff keystrokes via 2.4 GHz radio transmissions.
http://kth.diva-portal.org/smash/record.jsf?pid=diva2%3A1701492&dswid=-3616
http://kth.diva-portal.org/smash/get/diva2:1701492/FULLTEXT01.pdf