CVE-2018-20007: Yeelight Smart Ai Speaker Firmware

Medium severity, CVSS 6.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Yeelight Smart AI Speaker 3.3.10_0074 devices have improper access control over the UART interface, allowing physical attackers to obtain a root shell. The attacker can then exfiltrate the audio data, read cleartext Wi-Fi credentials in a log file, or access other sensitive device and user information.

Affected products

• Yeelight Smart Ai Speaker Firmware: version 3.3.10_0074 only

Published 2019-05-16. Last modified 2026-06-17.