Buffer overflow in Tenda Ac21

CVE-2022-40075

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

Vulnerability class: Buffer Overflow

EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tenda Ac21
Tenda Ac21_firmware — versions 16.03.08.15
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-40075?: CVE-2022-40075 is a high-severity vulnerability in Tenda Ac21, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-09-19.
How severe is CVE-2022-40075?: High severity. CVSS v3 base score is 7.5 out of 10.