CVE-2021-3616: Lenovo Smart Camera c2e Firmware

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability was reported in Lenovo Smart Camera X3, X5, and C2E that could allow an unauthorized user to view device information, alter firmware content and device configuration. This vulnerability is the same as CNVD-2020-68651.

Affected products

• Lenovo Smart Camera c2e Firmware: before 01.03.29.16 (fixed in 01.03.29.16)
• Lenovo Smart Camera x3 Firmware: before 01.03.29.16 (fixed in 01.03.29.16)
• Lenovo Smart Camera x5 Firmware: before 01.03.29.16 (fixed in 01.03.29.16)

Published 2021-08-17. Last modified 2026-06-17.