The VisNetic WebSite Server for Windows v3.5.13.1 and below contains a remote denial of service vulnerability which can be exploited by sending a 5000 character URL.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/30663/visnetic.dos.txt
Source: https://packetstormsecurity.com/files/30663/visnetic.dos.txt.html