High severity · published Jun 20, 2025
CVE-2025-6334
D-Link DIR-867 Query String strncpy stack-based overflow
8.8
CVSS
1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DI
DIR-867 · D-Link
1.0 · source: vendor
DF
Dir-867 Firmware · Dlink
1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-6334
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-6334
Issue Tracking
https://github.com/Thir0th/Thir0th-CVE/blob/main/DIR-867%20AC1750.md
Permissions Required
https://vuldb.com/?ctiid.313330
Third Party Advisory
https://vuldb.com/?id.313330
Third Party Advisory
https://vuldb.com/?submit.596579
Product
https://www.dlink.com/