Multiple directory traversal vulnerabilities in the FTP client in 3D-FTP Client 8.01 (8.0 build 1) allow remote FTP servers to create or overwrite arbitrary files via a .. (dot dot) in a response to a (1) LIST or (2) MLSD command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/43095
http://www.vupen.com/english/advisories/2008/1853/references