How severe is CVE-2025-66002?

CVE-2025-66002 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2025-66002 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66002?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-66002 have an EU (EUVD) identifier?

Yes. CVE-2025-66002 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1563.

When was CVE-2025-66002 published?

CVE-2025-66002 was published on 2026-01-08 and last updated on 2026-06-17.

CVE-2025-66002

CVE-2025-66002 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-88.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1563
Weakness: CWE-88
Published: 2026-01-08
Last modified: 2026-06-17

Description

An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability allows local users ton perform arbitrary unmounts via smb4k mount helper

Frequently asked questions

What is CVE-2025-66002?: An Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') vulnerability allows local users ton perform arbitrary unmounts via smb4k mount helper
How severe is CVE-2025-66002?: CVE-2025-66002 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2025-66002 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-66002?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66002 have an EU (EUVD) identifier?: Yes. CVE-2025-66002 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1563.
When was CVE-2025-66002 published?: CVE-2025-66002 was published on 2026-01-08 and last updated on 2026-06-17.

References

Other CWE-88 (Argument Injection) vulnerabilities

CVE-2026-57572 — Critical (CVSS 10.0): Crawl4AI is an open-source LLM-friendly web crawler and scraper. Prior to 0.9.0, the Docker API server accepted…
CVE-2026-40281 — Critical (CVSS 10.0): Gotenberg is a Docker-powered stateless API for PDF files. In versions 8.30.1 and earlier, the metadata write endpoint…
CVE-2023-6269 — Critical (CVSS 10.0): An argument injection vulnerability has been identified in the administrative web interface of the Atos Unify…
CVE-2007-0882 — Critical (CVSS 10.0): Argument injection vulnerability in the telnet daemon (in.telnetd) in Solaris 10 and 11 (SunOS 5.10 and 5.11)…
CVE-2004-0480 — Critical (CVSS 10.0): Argument injection vulnerability in IBM Lotus Notes 6.0.3 and 6.5 allows remote attackers to execute arbitrary code via…
CVE-1999-0113 — Critical (CVSS 10.0): Some implementations of rlogin allow root access if given a -froot parameter.

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