Directory traversal vulnerability in the TFTP Server 1.0.0.24 in Ipswitch WhatsUp Gold allows remote attackers to read arbitrary files via a .. (dot dot) in the Filename field of an RRQ operation.
https://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c05054714
https://exchange.xforce.ibmcloud.com/vulnerabilities/71610
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-4640
http://www.exploit-db.com/exploits/18189/
http://securitytracker.com/id?1026368