CVE-2026-5815

HIGH 8.8

D-Link DIR-645 hedwig.cgi hedwigcgi_main stack-based overflow

CVSS Score

8.8

EPSS Score

0.1%

EPSS Percentile

24th

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.

CWE	CWE-121 CWE-119
Vendor	d-link
Product	dir-645
Published	Apr 8, 2026
Last Updated	Apr 13, 2026

Stay Ahead of the Next One

Get instant alerts for d-link dir-645

Be the first to know when new high vulnerabilities affecting d-link dir-645 are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

D-Link / DIR-645

1.01 1.02 1.03

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/356263 vuldb.com: https://vuldb.com/vuln/356263/cti vuldb.com: https://vuldb.com/submit/788298 github.com: https://github.com/Pers1st0/CVE/blob/main/stack-based%20buffer%20overflow%20vulnerability%20exists%20in%20the%20hedwig.cgi%20of%20D-Link%20DIR-645.md github.com: https://github.com/Pers1st0/CVE/blob/main/stack-based%20buffer%20overflow%20vulnerability%20exists%20in%20the%20hedwig.cgi%20of%20D-Link%20DIR-645.md#poc dlink.com: https://www.dlink.com/

Credits

🔍 Pers1st (VulDB User)