CVEvulnerability

CVE-2020-6881

7.5 HIGH Published 2020-12-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-12-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-346

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 configurations

• 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

Related

Weakness · CWE (1)

  • CWE-346 Origin Validation Error weakness

References