CVE-2025-63685

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-491

Affected software

No affected versions have been published.

Timeline

Published: Nov 20, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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