This indicates a possible exploit of a buffer-overflow vulnerability in 3Com 3CTftpSvc.
This flaw is due to a buffer-overflow error when handling an overly long TFTP request. A remote attacker may exploit this to execute arbitrary code.
3Com 3CTftpSvc version 2.0.1 and prior
The execution of arbitrary code on the system.
Currently we are not aware of any officially supplied fix for this issue.