CVE-2021-21728

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A ZTE product has a configuration error vulnerability. Because a certain port is open by default, an attacker can consume system processing resources by flushing a large number of packets to the port, and successfully exploiting this vulnerability could reduce system processing capabilities. This affects: ZXA10 C300M all versions up to V4.3P8.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400

Affected software

No affected versions have been published.

Timeline

Published
Apr 9, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21728: Medium severity, CVSS 5.3 | Vulnix