CVE-2022-40867: Critical severity Tenda W20e Firmware vulnerability

Published Sep 23, 2022
·
Updated

Tenda W20E router V15.11.0.6 (USW20EV4.0brV15.11.0.6(10681546841)CNTDC) contains a stack overflow vulnerability in the function formIPMacBindDel with the request /goform/delIpMacBind/

Affected Software

4 affected components
Tenda W20e Firmware=15.11.0.6
Tenda W20E
All of the following
Tenda W20e Firmware=15.11.0.6
Tenda W20E

Event History

Sep 23, 2022
CVE Published
via MITRE·02:25 PM
Data Sourced
via MITRE·02:25 PM
Description
Data Sourced
via NVD·03:15 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2022-40867?

CVE-2022-40867 has been classified as a high severity vulnerability due to the potential for remote exploitation leading to denial of service.

2

How do I fix CVE-2022-40867?

To fix CVE-2022-40867, you should update the Tenda W20E router to the latest firmware version that addresses this vulnerability.

3

What is the impact of CVE-2022-40867?

The impact of CVE-2022-40867 includes the potential for unauthorized access and the possibility to crash the router due to stack overflow.

4

Which versions of Tenda W20E are affected by CVE-2022-40867?

Tenda W20E running firmware version 15.11.0.6 is affected by CVE-2022-40867.

5

How does CVE-2022-40867 operate?

CVE-2022-40867 operates by exploiting a stack overflow in the formIPMacBindDel function during a specific request to the router.

Contact

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