In v6.46.3, encryption is minimal — session keys are derived from a plaintext nonce + password hash, making it vulnerable to replay attacks if an attacker captures the handshake.
v6.46.3 [stable] is released! - Announcements - MikroTik Forum winbox v6.46.3 download
v6. 46.3 [stable] is released! * Remember to make backup/export files before an upgrade and save them on another storage device; * MikroTik community forum winbox v6.46.3 download
This particular release was part of the "stable" branch, aimed at users who prioritized reliability over experimental features. It arrived during a period when MikroTik was heavily refining its support for technology and improving LTE modem compatibility. Key Improvements in This Version winbox v6.46.3 download