TFTPD32 2.50 - Arbitrary File Download/Upload

source: https://www.securityfocus.com/bid/6198/info

A vulnerability has been discovered in Tftpd32 which allows a remote attacker to download and upload arbitrary system files. The ability to upload system files may allow an attacker to replaced key system files with trojaned copies, used to open backdoors into a target system. 

tftp host GET /boot.ini
tftp host PUT myfile /boot.ini