AUGUST 5, 2026
Live Feed
Back to database
Case File

CVE-2021-21727

HIGH · CVSS 7.5 EPSS 1.39%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-03-29 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may be remotely exploitable. It may lead to a denial-of-service condition.

CVE
CVE-2021-21727
Severity
HIGH
CVSS
7.5
EPSS
1.39%

Original NVD 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>

Related CVEs

Other vulnerabilities affecting the same vendor(s)