A vulnerability was found in D-Link DIR-645 1.01/1.02/1.03 and classified as critical. Impacted is the function hedwigcgi_main of the file /cgi-bin/hedwig.cgi. The manipulation results in stack-based buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer.

This vulnerability is reported as CVE-2026-5815. The attack can be launched remotely. Moreover, an exploit is present.