CVE-2020-6863: ZTE e8820v3 Firmware

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

ZTE E8820V3 router product is impacted by a permission and access control vulnerability. Attackers could use this vulnerability to tamper with DDNS parameters and send DoS attacks on the specified URL.

Affected products

• ZTE e8820v3 Firmware: before 3.1.0.1000.5 (fixed in 3.1.0.1000.5)

Published 2020-02-27. Last modified 2026-06-17.