CVE-2025-66003
Unknown Unknown - Not Provided
External Control of File Path in smb4k Enables Local Root Exploit

Publication date: 2026-01-08

Last updated on: 2026-01-08

Assigner: SUSE

Description
An External Control of File Name or Path vulnerability in smb4k allowsl ocal users to perform a local root exploit via smb4k mounthelper if they can access and control the contents of a Samba shareThis issue affects smb4k: from ? before 4.0.5.
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Meta Information
Published
2026-01-08
Last Modified
2026-01-08
Generated
2026-06-16
AI Q&A
2026-01-08
EPSS Evaluated
2026-06-15
NVD
CVE-2025-66003
EUVD
EUVD-2026-1571
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
unknown_vendor smb4k From 4.0.5 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-73 The product allows user input to control or influence paths or file names that are used in filesystem operations.
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Executive Summary

This vulnerability is an External Control of File Name or Path issue in smb4k. It allows local users to perform a local root exploit via the smb4k mounthelper if they can access and control the contents of a Samba share. Essentially, if an attacker has access to a Samba share, they can manipulate file paths or names to escalate their privileges to root on the local system.

Impact Analysis

This vulnerability can allow a local user with access to a Samba share to escalate their privileges to root on the affected system. This means an attacker could gain full control over the system, potentially leading to unauthorized access, data modification, or disruption of services.

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