The code that sets the programs title bar in AbsoluteTelnet contains a buffer overflow vulnerability that can allow code execution. This affects AbsoluteTelnet version 2.00, 2.11 and has been fixed in this beta version of AbsoluteTelnet.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/30797/absolute.telnet.txt
Source: https://packetstormsecurity.com/files/30797/absolute.telnet.txt.html