CVE-2025-43711 Privilege escalation in Tunnelblick
Attackers can execute arbitrary code as root by placing a crafted application file in the Applications folder after an incomplete uninstall.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-43711?
CVE-2025-43711 is a high-severity vulnerability in Tunnelblick, published on 4 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-459
Which versions are affected by CVE-2025-43711?
How do I fix CVE-2025-43711?
No fix has been published for CVE-2025-43711 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-43711 being exploited?
There is no known exploitation of CVE-2025-43711 in the wild and no public exploit code.
Sources
Also known as GHSA-6q72-3gw7-q23c.