CVE-2025-6334

Name: CVE-2025-6334
Creator: NVD / NIST
Published: 2025-06-20T11:15:22.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2025-6334 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. A vulnerability has been found in D-Link DIR-867 1.0 and classified as critical. This vulnerability affects the function strncpy of the component Query String Handler. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

A vulnerability has been found in D-Link DIR-867 1.0 and classified as critical. This vulnerability affects the function strncpy of the component Query String Handler. The manipulation leads to stack-based buffer overflow. The attack can be initiated remotely. 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

8.8/10

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

CVSS 4.0

7.4/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

0.66%

46.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dlink	Dir-867 Firmware	1.0

References

https://github.com/Thir0th/Thir0th-CVE/blob/main/DIR-867%20AC1750.mdIssue Tracking, Third Party Advisory
https://vuldb.com/?ctiid.313330Permissions Required, VDB Entry
https://vuldb.com/?id.313330Third Party Advisory, VDB Entry
https://vuldb.com/?submit.596579Third Party Advisory, VDB Entry
https://www.dlink.com/Product

Timeline

Published: Jun 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-6334?

How severe is CVE-2025-6334?

CVE-2025-6334 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2025-6334?

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-2025-6334?

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

Scan your code now

Source: NVD / NIST