Multiple stack-based buffer overflows in Allied Telesyn TFTP Server (AT-TFTP) 1.9, and possibly earlier, allow remote attackers to cause a denial of service (crash) or execute arbitrary code via a long filename in a (1) GET or (2) PUT command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/30539
http://www.vupen.com/english/advisories/2006/4737
http://www.securityfocus.com/archive/1/452743/100/0/threaded
http://www.exploit-db.com/exploits/24952
http://www.exploit-db.com/exploits/16350
http://securityreason.com/securityalert/8120