The web administration page for the Ericsson HM220dp ADSL modem does not require authentication, which could allow remote attackers to gain access from the LAN side.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11290
http://marc.info/?l=bugtraq&m=104619331706574&w=2
http://archives.neohapsis.com/archives/bugtraq/2003-02/0127.html