CVE-2022-40075: Tenda AC21 Firmware

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

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

Affected products

• Tenda AC21 Firmware: version 16.03.08.15 only

Published 2022-09-19. Last modified 2026-06-17.