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.
seclists.org/bugtraq/2011/Feb/36
secunia.com/advisories/43199
securityreason.com/securityalert/8066
www.exploit-db.com/exploits/16123/
www.securityfocus.com/archive/1/516205/100/0/threaded
www.securityfocus.com/bid/46215
exchange.xforce.ibmcloud.com/vulnerabilities/65184
www.trustwave.com/spiderlabs/advisories/TWSL2011-002.txt