Unauthenticated users could read arbitrary files (like user.dat ).
Winbox 2.2.18 was released in the mid-2010s, a time when MikroTik was aggressively refining RouterOS v6. The community was transitioning from older v5.x devices to v6.x. This version of Winbox bridged the gap, offering compatibility with both legacy and then-modern routers. winbox 2.2.18