March Networks DVR 3204 stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain usernames, passwords, device names, and IP addresses via a direct request for scripts/logfiles.tar.gz.
https://www.exploit-db.com/exploits/4797
http://www.sybsecurity.com/pages/advisors/static/dvr3204_exp.txt
http://www.milw0rm.com/papers/190