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CVE-2020-6881

nvd nist
Published: Dec 21, 2020Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

ZTE E8810/E8820/E8822 series routers have an MQTT DoS vulnerability, which is caused by the failure of the device to verify the validity of abnormal messages. A remote attacker could connect to the MQTT server and send an MQTT exception message to the specified device, which will cause the device to deny service. This affects:<ZXHN E8810, ZXHN E8820, ZXHN E8822><E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13>

Affected (5)

Zte
3 products
Zxhn E8810 Firmware
Zxhn E8820 Firmware
Zxhn E8822 Firmware
Configuration A
2 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Zte
Zxhn E8810 Firmware
Version 1.0.26
Zxhn E8810 Firmware
Version 2.0.1
Running on/withPlatform Versions
Zte
Zxhn E8810
All versions
Configuration B
2 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Zte
Zxhn E8820 Firmware
Version 1.1.3
Zxhn E8820 Firmware
Version 2.0.13
Running on/withPlatform Versions
Zte
Zxhn E8820
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Zxhn E8822 Firmware
Version 2.0.13
Running on/withPlatform Versions
Zte
Zxhn E8822
All versions

Related CWEs

CWE-346
Origin Validation Error
The product does not properly verify that the source of data or communication is valid.

References (2)

Source: psirt@zte.com.cn
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.