How severe is CVE-2025-30247?

CVE-2025-30247 has a CVSS 4.0 base score of 9.3, rated critical severity.

Is CVE-2025-30247 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-30247?

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

Does CVE-2025-30247 have an EU (EUVD) identifier?

Yes. CVE-2025-30247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31646.

When was CVE-2025-30247 published?

CVE-2025-30247 was published on 2025-09-29 and last updated on 2026-06-17.

CVE-2025-30247

CVE-2025-30247 is a critical-severity vulnerability with a CVSS 4.0 base score of 9.3. 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-78.

Key facts

Severity: Critical (CVSS 4.0 base score 9.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31646
Weakness: CWE-78
Published: 2025-09-29
Last modified: 2026-06-17

Description

An OS command injection vulnerability in user interface in Western Digital My Cloud firmware prior to 5.31.108 on NAS platforms allows remote attackers to execute arbitrary system commands via a specially crafted HTTP POST.

Frequently asked questions

What is CVE-2025-30247?: An OS command injection vulnerability in user interface in Western Digital My Cloud firmware prior to 5.31.108 on NAS platforms allows remote attackers to execute arbitrary system commands via a specially crafted HTTP POST.
How severe is CVE-2025-30247?: CVE-2025-30247 has a CVSS 4.0 base score of 9.3, rated critical severity.
Is CVE-2025-30247 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-30247?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-30247 have an EU (EUVD) identifier?: Yes. CVE-2025-30247 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31646.
When was CVE-2025-30247 published?: CVE-2025-30247 was published on 2025-09-29 and last updated on 2026-06-17.

References

https://www.westerndigital.com/support/product-security/wdc-25006-western-digital-my-cloud-os-5-firmware-5-31-108

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