CVE-2025-66003

Local users can perform a local root exploit via smb4k mounthelper

Published Jan 8, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6092-1 smb4k security update
History
Type Values Removed Values Added
First Time appeared Kde
Kde kde
Smb4k
Smb4k smb4k
Vendors & Products Kde
Kde kde
Smb4k
Smb4k smb4k
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Local users can perform a local root exploit via smb4k mounthelper
Weaknesses CWE-73
References
Metrics cvssV4_0

{'score': 7.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
suse
Published
Updated
Jan 8, 2026, 3:43 PM
Reserved
Nov 19, 2025, 8:52 AM
Status
Deferred
Published
Jan 8, 2026, 3:15 PM
Modified
Oct 11, 2026, 8:10 PM