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www.ispreview.co.uk/inde ··· re.html?".....some people might think theyre safe because perhaps their router isnt setup to expose its web-based admin interface to the Internet, but sadly youd be wrong for thinking that. Indeed many routers, such as those bundled by broadband ISPs, are still setup to listen for connection requests on port 7547 as part of a remote management protocol called TR-069 or CWMP"
Even though the SmartRG 505 isn't explicitly listed, getting the firmware patch that turns off TR-069 is a good idea.