How severe is CVE-2025-47900?

CVE-2025-47900 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-47900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-47900?

CVE-2025-47900 affects Microchip Timeprovider 4100 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-47900?

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-2025-47900 have an EU (EUVD) identifier?

Yes. CVE-2025-47900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35080.

When was CVE-2025-47900 published?

CVE-2025-47900 was published on 2025-10-20 and last updated on 2026-06-17.

CVE-2025-47900

CVE-2025-47900 is a high-severity vulnerability in Microchip Timeprovider 4100 Firmware with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.9
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-35080
Weakness: CWE-78
Affected product: Microchip Timeprovider 4100 Firmware
Published: 2025-10-20
Last modified: 2026-06-17

Description

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Microchip Time Provider 4100 allows OS Command Injection.This issue affects Time Provider 4100: before 2.5.

Frequently asked questions

What is CVE-2025-47900?: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Microchip Time Provider 4100 allows OS Command Injection.This issue affects Time Provider 4100: before 2.5.
How severe is CVE-2025-47900?: CVE-2025-47900 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-47900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47900?: CVE-2025-47900 affects Microchip Timeprovider 4100 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47900?: 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-2025-47900 have an EU (EUVD) identifier?: Yes. CVE-2025-47900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-35080.
When was CVE-2025-47900 published?: CVE-2025-47900 was published on 2025-10-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:microchip:timeprovider_4100_firmware:*:*:*:*:*:*:*:*

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