It can be done to utilize command line to pass hook up with, user and password parameters mechanically to conenct to router by way of RoMON. In such a case RoMON Agent needs to be saved on Managed routers listing so Winbox would know user and password for this device: https://troyajpwq.wizzardsblog.com/34908471/get-into-winbox-an-overview