What’s Vulnerable › Vulnerabilities

CVE-2025-2098: Dylib Hijacking in Fast CAD Reader

• Severity: high (CVSS 8.4 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-26 · updated 2026-06-17
• Weakness: CWE-732

Description

Fast CAD Reader application on MacOS was found to be installed with incorrect file permissions (rwxrwxrwx). This is inconsistent with standard macOS security practices, where applications should have drwxr-xr-x permissions. Incorrect permissions allow for Dylib Hijacking. Guest account, other users and applications can exploit this vulnerability for privilege escalation. This issue affects Fast CAD Reader in possibly all versions since the vendor has not responded to our messages. The tested version was 4.1.5

Affected products

• Beijing Honghu Yuntu Technology Fast CAD Reader: through 4.1.5

References

• https://apps.apple.com/pl/app/fast-cad-reader/id1484905765
• https://cert.pl/en/posts/2025/03/CVE-2025-2098/

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