ZTE ZXCTN Authentication Bypass Vulnerability

ZTE ZXCTN is a packet transport product for the access layer of the bearer network of China ZTE ZTE. An authentication bypass vulnerability exists in ZTE ZXCTN 6120H version 5.10.00B24. The vulnerability is due to insufficient verification of data reliability by the system, which can be exploited...

CVE-2021-21739

A ZTE's product of the transport network access layer has a security vulnerability. Because the system does not sufficiently verify the data reliability, attackers could replace an authenticated optical module on the equipment with an unauthenticated one, bypassing system authentication and...