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I have an attacker who got into my router; he seems to have hacked the Telnet client protocol.

I previously had a Thompson & a Belkin. Both got hacked, Now I have a Netgear 4 cg3000v2 . Optus keeps sending me a new one, cause they keeps getting hacked. The settings I have put up are really strong, yet the attacker keeps getting in.

I added the MAC address to the filters but that doesn't do anything. It's like cologned in my devices. I no it might sound weird but it's true. He is also sending viruses to any device that connects to my router, including iPhones. I've had 6 routers already an I've taken my devices back many times but no matter what I do I can't stop it. I've even blocked ports he uses but he he opens more up.

I have a number of pictures, but do not have enough points to upload them here. You can see them here: http://www.dslreports.com/forum/r30194073-What-s-going-on-Cracker-hacker-Opened-ports

Anyone no how to remove him from my router? Any help will be appreciated.

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  • there are many ways you can prevent him from accessing your router via access list or mac filter if you know the attacker mac address .
    – auth private
    Jul 26, 2015 at 6:53
  • It's unclear what you're asking. You haven't provided anywhere near enough detail.
    – Mark
    Jul 26, 2015 at 6:55
  • I added the MAC address but doesn't do anything. It's like cologned in my devices. I no it might sound weird but it's true. He is also sending viruses to any device that connects to my router, including iPhones. I've had 6 routers already an I've taken my devices back many times but no matter what I do I can't stop it. I've even blocked ports he uses but he he opens more up.
    – user80770
    Jul 26, 2015 at 6:55
  • i think your router firmware is vulnerable what is your router model or catalyst please add more details in your question again ACL can solve your problem ?
    – auth private
    Jul 26, 2015 at 7:07
  • 1
    Welcome, @user80770! I have edited your comments into your question. I believe this will make it better received. If you disagree with my edit, you can roll it back. Click on the "edited ... ago" link to go to the edit history - you will find the rollback option there. Meanwhile, I hope my edit will help you. You can edit further information into your post by clicking the "edit" link under your post - that works better than comments. Good luck, hope your problem will be solved soon!
    – S.L. Barth is on codidact.com
    Jul 26, 2015 at 8:54

3 Answers 3

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The way you describe the issue suggests that not the routers are problematic(though many are questionably secure, it is highly unlikely that all models you've used up to now have been compromised).

Try disconnecting the router from the Internet, update its firmware(if possible) and verify all devices within the LAN for any signs of compromise(unexpected connections to remote hosts on non-standard ports, abnormal network activity, etc.).

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  • I have replaced all devices an routers an changed service providers. I can't upgrade Optus firmware that's why they keep sending me new routers it isn't the devices netgear always says telnet user logged in or out. The devices r infected because of him.
    – user80770
    Jul 26, 2015 at 9:24
  • "Sanitize" those devices.
    – Sebi
    Jul 26, 2015 at 9:25
  • I have replaced them all have warranty doesn't do a thing new router new devices doesn't get rid of him?? That's why I need to no how else to remove him
    – user80770
    Jul 26, 2015 at 9:26
  • I have been through 5 MacBooks 3 iPhones an 3 iPads an 1 dell Comp my ps4 has been changed twice he's destroys everything an every keeps getting replaced
    – user80770
    Jul 26, 2015 at 9:27
  • New mac haven't even called Optus to connect router to internet I went to home page of router an it ales ready said telnet user logged in only had the Mac for 5 minutes nothing else connected to the new router.
    – user80770
    Jul 26, 2015 at 9:29
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In my opinion you should give all your devices to a professional cleaning service company. They will get rid of everything.

Then, with a new router, set the settings before connecting to the Internet. Set a very long password with wpa2. (20 letters at least).

On the computers, block the telnet port and turn telnet services off (or tell the guys at the cleaning company to do it). Install Antivirus software on each computer and phone.

Later, after turning on the router, connect with only one computer and see if everything is good and if it doesn't get hacked.

If it's OK, you can start using the other computers. I think this way you should be good to go.

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  • Comments are not for extended discussion; this conversation has been moved to chat.
    – Rory Alsop ♦
    Jul 27, 2015 at 9:18
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On windows I used zone alarm then went to Commodo on mac I use little snitch anti virus I have used them all nun of them do anything I have tried everything doesn't do a thing he's smarter then that

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