CVE-2020-21406: Rk Max Smart Tv Box Project Rk Max Smart Tv Box Firmware

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in RK Smart TV Box MAX and V88 SmartTV box that allows attackers to cause a denial of service via the switchNextDisplayInterface service.

Affected products

• Rk Max Smart Tv Box Project Rk Max Smart Tv Box Firmware: affected versions not specified
• v88 Smart Tv Box Project v88 Smart Tv Box Firmware: affected versions not specified

Published 2022-07-20. Last modified 2026-06-17.