CVE-2021-21722: ZTE ZXV10 b860a Firmware

Medium severity, CVSS 4.4. EPSS: 0.4% chance of exploitation in the next 30 days.

A ZTE Smart STB is impacted by an information leak vulnerability. The device did not fully verify the log, so attackers could use this vulnerability to obtain sensitive user information for further information detection and attacks. This affects: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom.

Affected products

• ZTE ZXV10 b860a Firmware: version v2.1-t_v0032.1.1.04_jiangsutelecom only

Published 2021-01-14. Last modified 2026-06-17.