Name: CVE-2025-66003: External Control of File Name or Path
Creator: Rapid7
Published: 2026-01-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-66003, CWE-73, CVSS 7.3, EPSS 0.00121

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.

CVSS Details

CVSS 4.0 Base Score: 7.3 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade smb4k	Jul 23, 2026	Jul 23, 2026
Freebsd	—	Upgrade smb4k	Jan 27, 2026	Dec 20, 2025

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CVSS Details

Covered by Rapid7

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