CVE-2020-6881

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>

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory com.cn
Affected: n/a
Published at:
Updated at:

References

Link Tags
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-6881?
CVE-2020-6881 has been scored as a high severity vulnerability.
How to fix CVE-2020-6881?
To fix CVE-2020-6881, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-6881 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-6881 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-6881?
CVE-2020-6881 affects n/a .
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