CVE-2026-5815 PUBLISHED

A vulnerability was detected in D-Link DIR-645 1.01/1.02/1.03. Impacted is the function hedwigcgi_main of the file /cgi-bin/hedwig.cgi. The manipulation results in stack-based buffer overflow. The attack can be launched remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

• Pers1st (VulDB User) reporter

• VDB-356263 | D-Link DIR-645 hedwig.cgi hedwigcgi_main stack-based overflow
• VDB-356263 | CTI Indicators (IOB, IOC, IOA)
• Submit #788298 | D-Link DIR-645 1.01–1.03 Stack-based Buffer Overflow
• https://github.com/Pers1st0/CVE/blob/main/stack-based%20buffer%20overflow%20vulnerability%20exists%20in%20the%20hedwig.cgi%20of%20D-Link%20DIR-645.md
• https://github.com/Pers1st0/CVE/blob/main/stack-based%20buffer%20overflow%20vulnerability%20exists%20in%20the%20hedwig.cgi%20of%20D-Link%20DIR-645.md#poc
• https://www.dlink.com/

• Stack-based Buffer Overflow CWE
• Memory Corruption CWE