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CVE-2025-66003

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Date: December 11, 2025

In smb4k before 4.0.5, local users can perform a local root exploit via the smb4k mount helper if they can access and control the contents of a Samba network share.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-66003
https://security-tracker.debian.org/tracker/CVE-2025-66003
https://www.mend.io/vulnerability-database/CVE-2025-66003

Severity Score

Top Fix

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Upgrade Version

Upgrade to version https://invent.kde.org/network/smb4k.git - 4.0.5

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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