CVE-2025-66002
Local users can perform arbitrary unmounts via smb4k mount helper due to lack of input validation
Description
An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability allows local users ton perform arbitrary unmounts via smb4k mount helper
INFO
Published Date :
Jan. 8, 2026, 3:15 p.m.
Last Modified :
Jan. 8, 2026, 6:08 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-66002
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | MEDIUM | 404e59f5-483d-4b8a-8e7a-e67604dd8afb | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Sanitize all user-supplied input to the command.
- Update the smb4k mount helper to a secure version.
- Validate arguments passed to the mount command.
- Restrict privileges of the mount helper process.
Public PoC/Exploit Available at Github
CVE-2025-66002 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-66002.
| URL | Resource |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66002 | |
| https://security.opensuse.org/2025/12/10/smb4k-major-issues-in-kauth-helper.html |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-66002 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-66002
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
DSA and DLA for Debian last 14 days
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-66002 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-66002 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jan. 08, 2026
Action Type Old Value New Value Added Description An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability allows local users ton perform arbitrary unmounts via smb4k mount helper Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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 Added CWE CWE-88 Added Reference https://bugzilla.suse.com/show_bug.cgi?id=CVE-2025-66002 Added Reference https://security.opensuse.org/2025/12/10/smb4k-major-issues-in-kauth-helper.html