It appears that a new flaw has been found on popular routers, that port 20005 is open on the WAN side of the routers. If the router has a USB Port.
- Here is the Vulnerability link on CERT site:
- Article with further information:
- If you click this link, this will test if your router is vulnerable:
I have tested my Vigor 2830 router and it appears to be OK. I have also emailed them for an official response. I shall update this post when I receive a reply.
NB: www.grc.com, is Steve Gibson’s site, pleases see the below link for further information about Steve. http://en.wikipedia.org/wiki/Steve_Gibson_(computer_programmer)
UPDATE: I had a reply from DrayTek, not much of one, confirming that this isn’t an issues on there devices.