There is a niche group of users who still seek out Winbox 3.18. Usually, this is because they are managing older RouterOS devices that struggle with newer configuration protocols, or they simply prefer the layout of that specific era.
However, from an informative and security standpoint, there are two major risks associated with using 3.18 in a modern environment: winbox old version 3.18
1. Compatibility Issues MikroTik RouterOS is constantly updated. Newer firmware versions on routers often introduce configuration flags or menu structures that older Winbox clients cannot interpret. If you use Winbox 3.18 to manage a router running RouterOS v7, you may find that certain menus are missing, values display incorrectly, or the connection drops unexpectedly. There is a niche group of users who still seek out Winbox 3
2. Security Vulnerabilities While 3.18 patched the issues of its time, software is a moving target. New vulnerabilities in the Winbox protocol or the underlying encryption libraries have been discovered since. Using an old client can potentially expose your management session to Man-in-the-Middle (MitM) attacks or session hijacking. this is jarring.
Modern Winbox versions have adopted a flatter, darker theme and rearranged critical menus. For engineers who have memorized muscle-memory workflows, this is jarring.
Released during the heyday of RouterOS 5.x and 6.x, Winbox 3.18 is remembered for three core strengths: