WOOBM telnet display problem

Good morning,
I bought a woobm (ver1.1), but I have a telnet display problem with every browser when I connect to the various mikrotik through the ip addresses
image1.jpg
.
The routers are connect, but the terminal show only a strange characters
image3.JPG
but through the direct connection (the router where woobm is connected) everything working well.
image2.JPG
Can anyone help me? thanks in advance

Post update 01/18/2020
until version 6.45.7 the woobm works fine,from 6.46 the telnet display the output at image 2