Specifically, older versions of Winbox have been targeted by botnets (like VPNFilter) in the past. If you choose to use an older binary like 3.7, ensure you are doing so on a trusted, isolated network, or upgrade to the latest stable release to ensure you have the most recent security patches.
You're referring to Winbox 3.7, a popular network management tool! winbox 3.7
In the world of network engineering, the "if it isn't broke, don't fix it" mantra is strong. Many administrators specifically sought out Winbox 3.7 because it offered a balance of modern features without the drastic UI changes or bugs that occasionally plagued later releases. Specifically, older versions of Winbox have been targeted