Stack Buffer Overflow in D-Link DIR-809 Devices

CVE-2021-33267

Summary

The D-Link DIR-809 wireless router is susceptible to a stack buffer overflow vulnerability within the function FUN_80034d60 located in the /formStaticDHCP component. This vulnerability can be exploited by sending a specially crafted POST request to the device, potentially allowing an attacker to execute arbitrary code or cause a denial of service. All versions of the DIR-809 firmware before DIR-809Ax_FW1.12WWB03_20190410 are affected, making it crucial for users to update their devices to mitigate the risks associated with this vulnerability.

References