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Safety of Routers


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#1 xEnvious

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Posted 22 October 2008 - 01:57 PM

Hi. I wanted to know if it's possible for a router to hold any memory for a virus or trojan, etc. to live in. If so, is there a way to "format" the router?

Thanks in advance.

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#2 garmanma

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Posted 22 October 2008 - 04:54 PM

For the virus part, I don't know but I doubt it.
As far as "reformatting" goes, you can flash (update) the chip similar to flashing a BIOS chip. It also has the same caveat, do it wrong and you have a brick
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#3 groovicus

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Posted 22 October 2008 - 07:09 PM

It depends on the router. My router is accessible through a web interface, so at a minimum, it has to have some sort of memory, and some sort of operating software, otherwise it could not be configured. Mine happens to run aversion of Linux, which I can get command line access to. So in that instance, yes, a router could theoretically become infected, but it would be pretty difficult to do, and even more difficult to do remotely, since the router just passes the signal through to the rest of the network, unless one were silly enough to configure remote access to their router.

#4 xEnvious

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Posted 22 October 2008 - 07:26 PM

Well I'm just using the simple Linksys BEFSR41 router. Either way, thanks for the information to both garmanma and groovicus.




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