VULNERABILITY INTELLIGENCE

CVE-2021-21727

CVSS score7.5 HIGH
EPSS probability1.44%
CISA KEVNot currently listed
Published2021-03-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A ZTE product has a DoS vulnerability. A remote attacker can amplify traffic by sending carefully constructed IPv6 packets to the affected devices, which eventually leads to device denial of service. This affects:<ZXHN F623><All versions up to V6.0.0P3T33>

Weakness classification

  • nvd@nist.gov: NVD-CWE-noinfo

Primary references