Tenda AC9 Buffer Overflow Vulnerability (CNVD-2022-75822)

Tenda AC9 is a wireless router from Tenda, China. Tenda AC9 V15.03.2.13 is vulnerable to a buffer overflow vulnerability caused by a stack buffer overflow in form_fast_setting_wifi_set in the httpd server. An authenticated local attacker can exploit this vulnerability to cause a denial of service.