CVE Vulnerabilities

CVE-2020-6881

Origin Validation Error

Published: Dec 21, 2020 | Modified: Dec 22, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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>

Weakness

The product does not properly verify that the source of data or communication is valid.

Affected Software

Name Vendor Start Version End Version
Zxhn_e8810_firmware Zte 1.0.26 (including) 1.0.26 (including)
Zxhn_e8810_firmware Zte 2.0.1 (including) 2.0.1 (including)

References