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CRITICAL

CVE-2022-40867

CVSS v3

9.8

CRITICAL

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formIPMacBindDel with the request /goform/delIpMacBind/

Technical details

Published
2022-09-23

Frequently asked questions

What is CVE-2022-40867?

Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formIPMacBindDel with the request /goform/delIpMacBind/

Is CVE-2022-40867 actively exploited?

Active exploitation of CVE-2022-40867 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40867?

CVE-2022-40867 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2022-40867 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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