CVE-2010-4965
/etc/rc.d/rc.local on the D-Link DCS-2121 camera with firmware 1.04 configures a hardcoded password of admin for the root account, which makes it easier for remote attackers to obtain shell access by leveraging a running telnetd server.
Date published : 2011-10-16
http://newsoft-tech.blogspot.com/2010/09/d-link-dcs-2121-and-state-of-embedded.html