Directory traversal vulnerability in the TFTP server in MobaXterm Personal Edition 9.4 allows remote attackers to read arbitrary files via a .. (dot dot) in a GET command.
https://www.exploit-db.com/exploits/41592/
http://www.securityfocus.com/bid/96886
http://seclists.org/fulldisclosure/2017/Mar/34
http://packetstormsecurity.com/files/141582/MobaXterm-Personal-Edition-9.4-Path-Traversal.html
http://hyp3rlinx.altervista.org/advisories/MOBAXTERM-TFTP-PATH-TRAVERSAL-REMOTE-FILE-ACCESS.txt