Using Linksys router wireless hackers to break in via UPnP port?


It has rather "likely" but not a "must be".

It could be your computer (if you connect wired or wireless to the router).

It could be a virtual machine on your computer (if you are using vmware or similar software).

It could be Windows (you can configure Windows to use 2 IP addresses, although not two addresses DHCP).

I recommend you open a command prompt window. Enter 'arp - a' and check if it lists other than router and iP addresses. If it shows a different IP address with a MAC address you have something else connected somewhere.

With regard to the scans: I can't tell what someone is trying to access. Maybe someone is trying to access other ports as well and they don't get connected. Or perhaps there is no other access (i.e. someone connects to your network and then the discovery of Windows UPnP standard product that is causing the alerts on your computer but that's all).

For example, if you only see the UPnP port alerts in your firewall logs, it is likely that nobody tries to hijack your computer. I would say it is more likely a normal computer connected to your network using your internet connection. But it is impossible to say for sure without checking the network traffic with a lot of attention.

I would recommend that you check your configuration first.

1 are you sure that you do not have any of your wireless device that will connect to your network (i.e. game consoles, wireless phone, etc..)?

2. check the wiring. Is there anything else that connected to the router?

3. check the configuration of the router. Have you changed the password "admin" to the router?

4. have you changed the default SSID "linksys" at something? Have you enabled security WPA2 Personal wireless with a password strong?

5. are you sure it's your router? Are you sure that you are connected to your router and not your neighbor? Maybe you had wireless network "linksys" default configured in your computer when you first your router and you never removed from your list of favorite networks. Now your neighbor got a router linksys with the default settings and in fact your computer connect wireless to your neighbor and you see computer your neighbor...

6. you have enabled on the router remote management?

7. what router do you have? Check the label below for exact model and version.

8. what version of firmware you have on the router? Check in the web interface.

To reset the router it is probably better to reset to the factory settings by pressing the reset button for 30 seconds to remove all the parameters of fake/hacked that can exist. Then reconfigure your router from a computer connected to the router. You need to change the password for "admin" on the Administration page to a password strong. You will need to change the "SSID" "linksys" to something unique. You have to active personal WPA2 security with AES encryption and a strong password for the maximum level of security.

You should also clean the list of preferred wireless networks on your computer to remove any that you don't need really. Then reconnect your computer to your new SSID and enter the password. That should do it. Now you have a secured wireless network.

Tags: Linksys Routers

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