CVE-2025-6931: dcs-6517 — Exploit

Description

A vulnerability classified as problematic was found in D-Link DCS-6517 and DCS-7517 up to 2.02.0. Affected by this vulnerability is the function generate_pass_from_mac of the file /bin/httpd of the component Root Password Generation Handler. The manipulation leads to insufficient entropy. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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CVSS v3.1 Score

3.7

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-330 CWE-330

CWE-331 CWE-331

Affected Products

Vendor	Product	Versions
dlink	dcs-6517_firmware	< 2.02.0
dlink	dcs-6517	All
dlink	dcs-7517_firmware	< 2.02.0
dlink	dcs-7517	All

References

Exploits

http://cdn2.v50to.cc/dlink/DCS-6517B1_FW_v2.02.01/report_3.pdf http://cdn2.v50to.cc/dlink/DCS-7517_B1_FW_v2.02.01/report_1.pdf http://cdn2.v50to.cc/dlink/DCS-6517B1_FW_v2.02.01/report_3.pdf http://cdn2.v50to.cc/dlink/DCS-7517_B1_FW_v2.02.01/report_1.pdf

Other References

https://vuldb.com/?ctiid.314443 https://vuldb.com/?id.314443 https://vuldb.com/?submit.605592 https://vuldb.com/?submit.605593 https://vuldb.com/?submit.605596 https://www.dlink.com/

Frequently Asked Questions

What is CVE-2025-6931? +

A vulnerability classified as problematic was found in D-Link DCS-6517 and DCS-7517 up to 2.02.0. Affected by this vulnerability is the function generate_pass_from_mac of the file /bin/httpd of the component Root Password Generation Handler. The manipulation leads to insufficient entropy. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2025-6931? +

CVE-2025-6931 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6931? +

CVE-2025-6931 affects products from dlink, specifically: dcs-6517, dcs-6517_firmware, dcs-7517, dcs-7517_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6931? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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