error on mikrotik rb1100ahx2

hey guys m getting this error m using

echo: system,error,critical login failure for user admin from 70.45.117.131 via telnet

Even my dhcp server is also not working.
pls help me to resolve it

Hi,
That error show you that somebody try to connect at your router through telnet.
For the second issue paste your config . (Enter in terminal, write “export” and paste the code) . The easiest way for making router to work is to configure due “Quick set” option.