VULNERABILITY INTELLIGENCE
CVE-2021-21728
CVSS score5.3 MEDIUM
EPSS probability0.99%
CISA KEVNot currently listed
Published2021-04-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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.
Weakness classification
- nvd@nist.gov: CWE-400
Primary references
- psirt@zte.com.cn — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory