Is CVE-2025-66003 in the CISA KEV catalog?

No. CVE-2025-66003 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2025-66003?

CVE-2025-66003 has an EPSS score of 0.11% (2th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-66003?

Upgrade smb4k on debian 13 to 4.0.0-1+deb13u1 or later.

CVE & CISA-KEV Catalog

CVE-2025-66003

UNSCORED

NVD

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.

CWE-73External Control of File Name or Path

How to fix

Remediation Available

smb4kDebian

Fixed in:4.0.0-1+deb13u1CVE-2025-66003

Fixed in:4.0.5-1CVE-2025-66003

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.11%probability of exploitation in 30 days

2ndpercentile

Low risk: more likely to be exploited than 2% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-73 (External Control of File Name or Path) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-39952	Critical	9.8	100%	-	Fix
CVE-2024-8517	Critical	9.8	95%	-	Fix
CVE-2023-4634	Critical	9.8	83%	-	Fix
CVE-2018-17246	Critical	9.8	82%	-	Fix
CVE-2024-43451	Medium	6.5	82%	KEV	Fix
CVE-2025-33053	High	8.8	82%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-08.