https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-15T20:46:06.475691+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-21739 CVE-2021-21739 2026-10-15T20:46:06.477869+00:00

Affected: <ZXCTN 6120H>

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 detection, thus affecting signal transmission. This affects: <ZXCTN 6120H><V5.10.00B24>