CVE-2025-66003

HIGH

smb4k <4.0.5 - Local Root Exploit

Title source: llm
STIX 2.1

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.

Scores

CVSS v4 7.3
EPSS 0.0002
EPSS Percentile 5.9%
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

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-73
Status published
Products (1)
https://github.com/KDE//smb4k ? - 4.0.5
Published Jan 08, 2026
Tracked Since Feb 18, 2026