CVE-2020-6882

HIGH

ZTE ZXHN E8810/E8820/E8822 Firmware - Information Disclosure via Hard-coded MQTT Credentials

Title source: llm

Description

ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service access credentials on the device. The remote attacker could use this credential to connect to the MQTT server, so as to obtain information about other devices by sending specific topics. 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>

References (1)

Core 1

Core References

Vendor Advisory x_refsource_misc

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202

Scores

CVSS v3 7.5

EPSS 0.0032

EPSS Percentile 55.1%

Attack Vector NETWORK

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

Details

CWE

CWE-798

Status published

Products (5)

zte/zxhn_e8810_firmware 1.0.26

zte/zxhn_e8810_firmware 2.0.1

zte/zxhn_e8820_firmware 1.1.3

zte/zxhn_e8820_firmware 2.0.13

zte/zxhn_e8822_firmware 2.0.13

Published Dec 21, 2020

Tracked Since Feb 18, 2026