There have been reports on the Mi Scooters being vulnerable to hacking which poses safety risks to riders. The urgency of the issue were raised with  Xiaomi HQ and here is the official statement from HQ PR team:

Xiaomi is aware of the vulnerability which hackers with malicious intent might exploit to interrupt the operations of Mi Electric Scooter. As soon as we found out about this vulnerability, we have been working to fix it and taking down all unauthorized applications. In the meanwhile, an OTA (over-the-air) update is being prepared by Xiaomi's product and security teams, and will be available as soon as possible. Xiaomi values feedback from our users and the security community, we are committed to constantly improve based on all feedback so as to build better and safer products.