How severe is CVE-2025-40585?

CVE-2025-40585 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.

Is CVE-2025-40585 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40585?

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-2025-40585 have an EU (EUVD) identifier?

Yes. CVE-2025-40585 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17678.

When was CVE-2025-40585 published?

CVE-2025-40585 was published on 2025-06-10 and last updated on 2026-06-17.

CVE-2025-40585

CVE-2025-40585 is a critical-severity vulnerability with a CVSS 3.x base score of 9.9. 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-276.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 9.5
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-17678
Weakness: CWE-276
Published: 2025-06-10
Last modified: 2026-06-17

Description

A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR contain default credentials. This could allow an attacker to gain control of G5DFR component and tamper with outputs from the device.

Frequently asked questions

What is CVE-2025-40585?: A vulnerability has been identified in Energy Services (All versions with G5DFR). Affected solutions using G5DFR contain default credentials. This could allow an attacker to gain control of G5DFR component and tamper with outputs from the device.
How severe is CVE-2025-40585?: CVE-2025-40585 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability low.
Is CVE-2025-40585 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40585?: 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-2025-40585 have an EU (EUVD) identifier?: Yes. CVE-2025-40585 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-17678.
When was CVE-2025-40585 published?: CVE-2025-40585 was published on 2025-06-10 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/html/ssa-345750.html

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