VULNERABILITY INTELLIGENCE

CVE-2025-63685

CVSS score7.5 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2025-11-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-491: Public cloneable() Method Without Final ('Object Hijack')

Primary references