CVE-2021-21751: ZTE ZXIN10 CMS

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

ZTE BigVideo analysis product has an input verification vulnerability. Due to the inconsistency between the front and back verifications when configuring the large screen page, an attacker with high privileges could exploit this vulnerability to tamper with the URL and cause service exception.

Affected products

• ZTE ZXIN10 CMS: up to and including 3.01.01.04

Published 2021-12-27. Last modified 2026-06-17.