Buffer overflow in D-link Dir-867
CVE-2025-6334
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 b…
Vulnerability class: Buffer Overflow
EPSS: 0.007 (48.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Dir-867 — versions 1.0
- Dlink Dir-867
- Dlink Dir-867_firmware — versions 1.0
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Third Party Advisory, exploit, Issue Tracking)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2025-6334?
- CVE-2025-6334 is a high-severity vulnerability in D-link Dir-867, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-06-20.
- How severe is CVE-2025-6334?
- High severity. CVSS v3 base score is 8.8 out of 10.