This indicates an attack attempt against a Buffer Overflow vulnerability in PCMAN FTP Server.
The vulnerability is caused by an error when the vulnerable software handles a crafted FTP request. It allows a remote attacker to execute arbitrary code via a crafted FTP request.
PCMAN FTP 2.07 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Currently we are unaware of any vendor supplied patch for this issue.