CVE-2021-21744: ZTE MF971R Firmware

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

ZTE MF971R product has a configuration file control vulnerability. An attacker could use this vulnerability to modify the configuration parameters of the device, causing some security functions of the device to be disabled.

Affected products

• ZTE MF971R Firmware: version v1.0.0b05 only; version 1v1.0.0b06 only; version 2v1.0.0b03 only; version s2v1.0.0b03 only; version sv1.0.0b05 only

Published 2021-10-20. Last modified 2026-06-17.