Mercury A15 V1.0 20230818_1.0.3 was discovered to contain a command execution vulnerability via the component cloudDeviceTokenSuccCB.
https://www.mercurycom.com.cn/
https://service.mercurycom.com.cn/download-2341.html
https://github.com/XYIYM/Digging/blob/main/MERCURY/A15/1/1.md