A certain Comcast Business Gateway configuration of the SMC SMCD3G-CCR with firmware before 1.4.0.49.2 has a default password of D0nt4g3tme for the mso account, which makes it easier for remote attackers to obtain administrative access via the (1) web interface or (2) TELNET interface.
https://www.trustwave.com/spiderlabs/advisories/TWSL2011-002.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/65184
http://www.securityfocus.com/bid/46215
http://www.securityfocus.com/archive/1/516205/100/0/threaded
http://securityreason.com/securityalert/8066