CVE-2025-43711

HIGH

Published Jul 5, 2025 Modified Apr 15, 2026 CWE-459

Description

Tunnelblick 3.5beta06 before 7.0, when incompletely uninstalled, allows attackers to execute arbitrary code as root (upon the next boot) by dragging a crafted Tunnelblick.app file into /Applications.

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CVSS v3.1 Score

8.1

HIGH

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

Weakness Type (CWE)

CWE-459 CWE-459

References

Other References

https://tunnelblick.net/cCVE-2025-43711.html https://tunnelblick.net/downloads.html

Frequently Asked Questions

What is CVE-2025-43711? +

Tunnelblick 3.5beta06 before 7.0, when incompletely uninstalled, allows attackers to execute arbitrary code as root (upon the next boot) by dragging a crafted Tunnelblick.app file into /Applications. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2025-43711? +

CVE-2025-43711 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-43711? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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