Windscribe for Linux 'changeMTU' local privilege escalation
Vulnerability Description
A command injection vulnerability exists in Windscribe for Linux Desktop App that allows a local user who is a member of the windscribe group to execute arbitrary commands as root via the 'adapterName' parameter of the 'changeMTU' function. Fixed in Windscribe v2.18.3-alpha and v2.18.8.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- HackingByDoing
References
- https://github.com/Windscribe/Desktop-App
- https://github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3?diff=unified&w#diff-cfc5df17057ed92112ae70a42c81c57c79f434429210ff881fb0771cf8e39b4c
- https://github.com/Windscribe/Desktop-App/compare/v2.18.2...v2.18.3?diff=unified&w#diff-57e27ab201a1a612609087b839e03bf87a5a063ffcc3f465a6245469bc102754
- https://hackingbydoing.wixsite.com/hackingbydoing/post/windscribe-vpn-local-privilege-escalation
- https://www.cve.org/CVERecord?id=CVE-2025-65199
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-343-01.json
Affected Vendor
Windscribe
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