CVE-2021-21739

Publication date

2021-08-05 19:48:41

Family

zte

State

PUBLISHED

Description

A ZTEs 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 detection, thus affecting signal transmission. This affects: