CVE-2021-21728

MEDIUM

ZTE ZXA10 C300M Firmware < 4.5 - Unauthenticated Denial of Service via Open Port Packet Flood

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 5.3
EPSS 0.0038
EPSS Percentile 59.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-400
Status published
Products (1)
zte/zxa10_c300m_firmware < 4.5
Published Apr 09, 2021
Tracked Since Feb 18, 2026