How severe is CVE-2025-9966?

CVE-2025-9966 has a CVSS 4.0 base score of 7.3, rated high severity.

Is CVE-2025-9966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9966?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-9966 have an EU (EUVD) identifier?

Yes. CVE-2025-9966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30879.

When was CVE-2025-9966 published?

CVE-2025-9966 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-9966

CVE-2025-9966 is a high-severity vulnerability with a CVSS 4.0 base score of 7.3. 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-269.

Key facts

Severity: High (CVSS 4.0 base score 7.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30879
Weakness: CWE-269
Published: 2025-09-23
Last modified: 2026-06-17

Description

Improper privilege management vulnerability in Novakon P series allows attackers to gain root privileges if one service is compromized.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).

Frequently asked questions

What is CVE-2025-9966?: Improper privilege management vulnerability in Novakon P series allows attackers to gain root privileges if one service is compromized.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).
How severe is CVE-2025-9966?: CVE-2025-9966 has a CVSS 4.0 base score of 7.3, rated high severity.
Is CVE-2025-9966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-9966 have an EU (EUVD) identifier?: Yes. CVE-2025-9966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30879.
When was CVE-2025-9966 published?: CVE-2025-9966 was published on 2025-09-23 and last updated on 2026-06-17.

References

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