D-Link DIR-867 1.0 Query String strncpy stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.10

Summaryinfo

A vulnerability labeled as critical has been found in D-Link DIR-867 1.0. The affected element is the function strncpy of the component Query String Handler. Executing a manipulation can lead to stack-based overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2025-6334. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

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 with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is available at github.com. This vulnerability was named CVE-2025-6334. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/24/2025).

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/19/2025 Advisory disclosed
06/19/2025 +0 days VulDB entry created
06/24/2025 +5 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-6334 (🔒)
GCVE (CVE): GCVE-0-2025-6334
GCVE (VulDB): GCVE-100-313330
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/19/2025 12:20
Updated: 06/24/2025 08:22
Changes: 06/19/2025 12:20 (57), 06/24/2025 08:22 (32)
Complete: 🔍
Submitter: liuchangwei
Cache ID: 216:989:103

Submitinfo

Accepted

  • Submit #596579: D-Link DIR-867 DIR-867 AC1750 v.1.0 Stack-based Buffer Overflow (by liuchangwei)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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