TeamSpeak WebServer 2.0 for Windows does not validate parameter value lengths and does not expire TCP sessions, which allows remote attackers to cause a denial of service (CPU and memory consumption) via long username and password parameters in a request to login.tscmd on TCP port 14534.
https://www.exploit-db.com/exploits/4205
https://exchange.xforce.ibmcloud.com/vulnerabilities/35518
http://www.securityfocus.com/bid/24977