Could not login to Mikrotik Routers through Winbox suddenly.

mfrabbibd · May 28, 2020, 4:00pm

Hi, can anyone help me regarding the issue, I’ve been using Mikrotik Routers & Winbox for 5 years. Suddenly from last few days I could not login to my routers through Winbox. Router OS v6.39.3 & Winbox v3.18. please help me to solve the issue. Thanks in advance.

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Sob · May 28, 2020, 5:18pm

That’s very old RouterOS. Depending on how much accessible is WinBox port, one possibility is that router may have new admin, thanks to this:

https://blog.mikrotik.com/security/winbox-vulnerability.html

mfrabbibd · May 28, 2020, 5:48pm

Thanks for your reply. If I restart my routers I can login for a while but when traffic passing started I can’t login again.

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Sob · May 28, 2020, 9:16pm

And “can’t login” means what exactly? It can’t connect at all, or does it report wrong username or password, or something else? Is it the same when you connect to IP address and MAC address (the latter is possible only on same network segment)?