CVE-2025-6931

Name: CVE-2025-6931
Creator: NVD / NIST
Published: 2025-06-30T23:15:21.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.9/10EPSS 1.59%

Last modified Jun 17, 2026

CVE-2025-6931 is a low-severity vulnerability rated 2.9/10 on the CVSS scale. 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. EPSS estimates a 1.59% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.4/10

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

CVSS 4.0

2.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

1.59%

72.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dcs-6517 Firmware	<= 2.02.0
Dlink	Dcs-7517 Firmware	<= 2.02.0

References

http://cdn2.v50to.cc/dlink/DCS-6517B1_FW_v2.02.01/report_3.pdfExploit, Third Party Advisory
http://cdn2.v50to.cc/dlink/DCS-7517_B1_FW_v2.02.01/report_1.pdfExploit, Third Party Advisory
https://vuldb.com/?ctiid.314443Permissions Required, VDB Entry
https://vuldb.com/?id.314443Third Party Advisory, VDB Entry
https://vuldb.com/?submit.605592Third Party Advisory, VDB Entry
https://vuldb.com/?submit.605593Third Party Advisory, VDB Entry
https://vuldb.com/?submit.605596Third Party Advisory, VDB Entry
https://www.dlink.com/Product
http://cdn2.v50to.cc/dlink/DCS-6517B1_FW_v2.02.01/report_3.pdfExploit, Third Party Advisory
http://cdn2.v50to.cc/dlink/DCS-7517_B1_FW_v2.02.01/report_1.pdfExploit, Third Party Advisory

Timeline

Published: Jun 30, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6931?

How severe is CVE-2025-6931?

CVE-2025-6931 has a CVSS score of 2.9/10 (LOW severity). The EPSS model estimates a 1.59% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6931?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-6931?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST