D-Link DIR-823G Buffer Overflow Vulnerability (CNVD-2024-04955)

The D-Link DIR-823G is a wireless router from China’s AUO (D-Link). A buffer overflow vulnerability exists in the D-Link DIR-823G A1V1.0.2B05 version, which stems from the CurrentPassword parameter of the CheckPasswdSettings method failing to correctly validate the length size of the input data, which can be exploited by an attacker to cause a denial of service (DoS).