Is CVE-2025-66644 in the CISA KEV catalog?

Yes. CVE-2025-66644 is on the CISA Known Exploited Vulnerabilities list, added 2025-12-08.

What is the CVSS severity of CVE-2025-66644?

CVE-2025-66644 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2025-66644?

CVE-2025-66644 has an EPSS score of 3.05% (86th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2025-66644

HIGHCISA KEVEPSS 86th pctl

7.2

CVSS v3

NVD

Description

Array Networks ArrayOS AG before 9.4.5.9 allows command injection, as exploited in the wild in August through December 2025.

CWE-78OS Command Injection

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.05%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2025-12-29

References

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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 2025-12-10.