This indicates a possible attempt to exploit a Buffer Overflow vulnerability Cisco Linksys PlayerPT ActiveX control.
The vulnerability, which is located in "PlayerPT.ocx" ActiveX Control, can be exploited through misuse of the "SetSource" method. As a result, an attacker can trick an unsuspecting user into visiting a malicious webpage and execute arbitrary code within the context of the application.
Cisco Systems Linksys PlayerPT 220.127.116.11 and earlier versions
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are unaware of any vendor supplied patch for this issue.