Tenda AC8 saveParentControlInfo compare_parentcontrol_time stack-based overflow

A vulnerability was found in Tenda AC8 16.03.34.06. It has been declared as critical. Affected by this vulnerability is the function compare_parentcontrol_time of the file /goform/saveParentControlInfo. The manipulation of the argument time leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This is not the same issue like CVE-2023-33671. The vendor was contacted early about this disclosure but did not respond in any way.