Directory traversal vulnerability in k23productions TFTPUtil GUI 1.2.0 and 1.3.0 allows remote attackers to read arbitrary files outside the TFTP root directory via directory traversal sequences in a GET request.
https://exchange.xforce.ibmcloud.com/vulnerabilities/48019
http://www.securityfocus.com/bid/33287
http://www.securityfocus.com/archive/1/500106/100/0/threaded
http://www.princeofnigeria.org/blogs/index.php/2009/01/14/tftputil-gui-tftp-directory-traversal