CVE-2025-63685
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-20

Last updated on: 2025-12-16

Assigner: MITRE

Description
Quark Cloud Drive v3.23.2 has a DLL Hijacking vulnerability. This vulnerability stems from the insecure loading of system libraries. Specifically, the application does not validate the path or signature of [regsvr32.exe] it loads. An attacker can place a crafted malicious DLL in the application's startup directory, which will be loaded and executed when the user launches the program.
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Meta Information
Published
2025-11-20
Last Modified
2025-12-16
Generated
2026-06-16
AI Q&A
2025-11-20
EPSS Evaluated
2026-06-15
NVD
CVE-2025-63685
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
quark quark_cloud_drive 3.23.2
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-491 A class has a cloneable() method that is not declared final, which allows an object to be created without calling the constructor. This can cause the object to be in an unexpected state.
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Executive Summary

This vulnerability is a DLL Hijacking issue in Quark Cloud Drive v3.23.2. The application insecurely loads system libraries without validating the path or signature of regsvr32.exe. An attacker can exploit this by placing a malicious DLL in the application's startup directory, which will then be loaded and executed when the program starts.

Impact Analysis

An attacker exploiting this vulnerability can execute malicious code on your system with the privileges of the user running the application. This can lead to unauthorized actions, data compromise, or further system compromise.

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