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Can a malware-infected computer in a network affect the router?


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5 replies to this topic

#1 Lloyd T

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Posted 17 November 2008 - 06:46 PM

For example, if I connected a laptop infected with malware wirelessly to the router, can the laptop change the settings of the router?

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#2 tos226

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Posted 17 November 2008 - 09:45 PM

Routers I'm familiar with do not permit wireless access to administrator function.
There might be others that permits.
It might also depend on how protected the router is - password, security key, MAC filters, etc.

Considering it's internal to the router's firewall, I'd think it's possible, but not likely.
But, remember, hackers are always ahead of this game!

Edited by tos226, 17 November 2008 - 09:45 PM.


#3 M...

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Posted 18 November 2008 - 10:31 AM

Hello Lloyd T,

The following posts describe a vulnerability in systems where a router is used and the password for administering the router is not changed from the factory default setting:

"Drive-by Web Attack Could Hit Home Routers":

http://www.bleepingcomputer.com/forums/ind...st&p=763520

"In the Wild: Zlob Changing Router Settings to Hijack DNS":

http://www.dslreports.com/forum/r20631012-...s-to-Hijack-DNS

The routers that I have used (Netgear and Linksys) optionally do allow remote access to the administration function.

#4 Lloyd T

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Posted 18 November 2008 - 03:31 PM

Does that mean I won't have any problems since I don't use the default password?

#5 tos226

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Posted 18 November 2008 - 08:00 PM

Most unlikely. You have a nice security setup (your sig).

Always possible to be hacked. I heard a router can be hacked in about 10 minutes.
But I woulnd't get too paranoid over this. Check your router settings every now and then, see if anything changes in the direction you'd rather not see it change.

I don't know Comodo. But it's a firewall you can tighten up. For instance, have you set any specific rules? Are NetBIOS ports prevented from going to the internet? Things like this tighten up your computer.

In the router, don't permit remote administration. And it still can be hacked :flowers: :thumbsup:

Edited by tos226, 18 November 2008 - 08:03 PM.


#6 nigglesnush85

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Posted 19 November 2008 - 07:56 AM

You should change the router passwords every week, enable MAC and IP filtering. It is still possible to bypass this, but it would say 'go away' to most attacks.
Regards,

Alan.




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