The Go1 also known as "The World's First Intelligence Bionic Quadruped Robot Companion of Consumer Level," contains an undocumented backdoor that can enable the manufacturer, and anyone in possession of the correct API key, complete remote control over the affected robotic device using the CloudSail remote access service.
https://x.com/d0tslash/status/1730989109332607208
https://takeonme.org/cves/cve-2025-2894/
https://github.com/unitreerobotics/unitree_ros/issues/120
https://github.com/MAVProxyUser/YushuTechUnitreeGo1/blob/main/Unitree_report.pdf