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HIGH · 7.5

CVE-2020-6881

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 MQ...

Vulnerability 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>

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZteZxhn E8810 Firmware1.0.26
ZteZxhn E8810-
ZteZxhn E8820 Firmware1.1.3
ZteZxhn E8820-
ZteZxhn E8822 Firmware2.0.13
ZteZxhn E8822-

Related Weaknesses (CWE)

CWE-346

References

FAQ

What is CVE-2020-6881?

CVE-2020-6881 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 MQ...

How severe is CVE-2020-6881?

CVE-2020-6881 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-6881?

Check the references section above for vendor advisories and patch information. Affected products include: Zte Zxhn E8810 Firmware, Zte Zxhn E8810, Zte Zxhn E8820 Firmware, Zte Zxhn E8820, Zte Zxhn E8822 Firmware.