How severe is CVE-2025-6931?

CVE-2025-6931 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-6931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6931?

CVE-2025-6931 primarily affects Dlink Dcs-6517 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-6931?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6931 have an EU (EUVD) identifier?

Yes. CVE-2025-6931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19592.

When was CVE-2025-6931 published?

CVE-2025-6931 was published on 2025-06-30 and last updated on 2026-06-17.

CVE-2025-6931

CVE-2025-6931 is a low-severity vulnerability in Dlink Dcs-6517 Firmware with a CVSS 3.x base score of 3.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
CVSS v2: 2.6
CVSS v4: 2.9
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19592
Weakness: CWE-330
Affected product: Dlink Dcs-6517 Firmware
Published: 2025-06-30
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-6931?: CVE-2025-6931 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-6931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6931?: CVE-2025-6931 primarily affects Dlink Dcs-6517 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-6931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6931 have an EU (EUVD) identifier?: Yes. CVE-2025-6931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19592.
When was CVE-2025-6931 published?: CVE-2025-6931 was published on 2025-06-30 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:dlink:dcs-6517_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dcs-7517_firmware:*:*:*:*:*:*:*:*

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