CVE-2025-63685
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductQuark Cloud Drive
PublishedNov 20, 2025
First seenNov 20, 2025
Weakness typeCWE-491CWE-491
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| quark quark_cloud_drive | 3.23.2 | — |
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