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HIGH

CVE-2022-40075

CVSS v3

7.5

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-06

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, form_fast_setting_wifi_set.

Technical details

Published
2022-09-19

Frequently asked questions

What is CVE-2022-40075?

Tenda AC21 V 16.03.08.15 is vulnerable to Buffer Overflow via /bin/httpd, form_fast_setting_wifi_set.

Is CVE-2022-40075 actively exploited?

Active exploitation of CVE-2022-40075 has not been confirmed. Its EPSS score was 1.0% on 2026-10-06, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-40075?

CVE-2022-40075 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2022-40075 affecting your environment?

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