Public proof of concept

CVE-2025-6931

A public proof of concept exists; no exploitation attested.

Published2025-06-30
WeaknessCWE-330 · CWE-331

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2025-06-3023:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-6931?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-6931?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Dlink dcs-6517 firmwareversion to verify

Branch	Affected	Fixed in	Source
2.2	≤ 2.02.0	no fix published	NVD

Dlink dcs-7517 firmwareversion to verify

Branch	Affected	Fixed in	Source
2.2	≤ 2.02.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2025-07-01
OpenCVESSVC decisionpoc—
CNACVSS 4.02.9read 2026-10-23
CNACVSS 3.13.7read 2026-10-23
NVDCVSS 3.17.4read 2026-10-23
CNACVSS 2.02.6read 2026-10-23
CNAweakness (CWE)CWE-330, CWE-331read 2026-10-23
FIRST EPSSEPSS score2.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 4.0 vector: 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
Published: 2025-06-30
Last Modified: 2026-06-17
NVD status: Analyzed

Frequently asked questions

What is CVE-2025-6931?

Is CVE-2025-6931 actively exploited?

A proof-of-concept exploit exists for CVE-2025-6931, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-6931?

CVE-2025-6931 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Running D-Link DCS-6517 and DCS-7517? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database