The SMC Networks SMC8014 cable modem/Wi-Fi router is the culprit, and using the same password on each router isn't odd: I have an SMC from Comcast that I found out the password for simply by checking discussion boards.
David Chen, co-founder of pip.io, discovered this problem weeks ago, and informed Time Warner, who brushed him off. When Wired's Threat Level contacted the company, however, it admitted the problem and said it was working on a code fix. The firm says it has 14m broadband users.
Fightstar celebrate the launch of JagertapWi-Fi Alliance Peers into the Future with Ad Hoc Replacement