How to fix CVE-2025-40585?

Within 24 hours: Identify all systems running Energy Services with G5DFR components and isolate them from production networks if possible; notify relevant operational teams. Within 7 days: Change all default credentials on affected G5DFR devices to strong, unique passwords and implement network access controls restricting G5DFR management interfaces. Within 30 days: Develop and execute a comprehensive vulnerability management plan including continuous credential audits, network segmentation validation, and establish monitoring for unauthorized access attempts.

CVE-2025-40585

EUVD-2025-17678 CRITICAL

2025-06-10 [email protected]

Authentication Bypass Information Disclosure

9.9

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

High

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 19:49 euvd

EUVD-2025-17678

Analysis Generated

Mar 14, 2026 - 19:49 vuln.today

CVE Published

Jun 10, 2025 - 16:15 nvd

CRITICAL 9.9

DescriptionNVD

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.

AnalysisAI

Critical authentication bypass vulnerability affecting Energy Services products that use the G5DFR component, where default credentials allow unauthenticated remote attackers to gain full control and tamper with device outputs. The CVSS 9.9 score reflects the severe nature of this issue-no authentication required, network-accessible, with high integrity impact across system boundaries. This vulnerability poses an immediate threat to critical infrastructure and industrial control systems relying on Energy Services with G5DFR.

Technical ContextAI

The G5DFR component in Energy Services products contains hardcoded or unchanged default credentials (CWE-276: Incorrect Default Permissions), enabling authentication bypass without privilege escalation. The affected solutions lack proper credential management during deployment, allowing remote unauthenticated access (AV:N) via standard network protocols. G5DFR appears to be a data flow or reporting component within Energy Services infrastructure; the vulnerability allows attackers to not only access the system but manipulate device outputs, suggesting the component controls critical measurement, reporting, or control signals in energy distribution or management systems. The lack of authentication controls and the ability to tamper with outputs indicates insufficient access controls and output validation mechanisms in the component's design.

RemediationAI

Immediate actions: (1) Identify all Energy Services deployments containing G5DFR using vendor documentation or asset inventory tools; (2) As an emergency measure, restrict network access to G5DFR components using firewall rules, VLANs, or network segmentation—allow only trusted administrative networks; (3) Change default credentials immediately if access to credential configuration is available, though this may not be possible if hardcoded in firmware. Vendor-specific remediation: Contact the Energy Services vendor for patched versions that remove or securely manage default credentials. Apply patches to all affected systems in priority order (critical infrastructure first). Implement network-level authentication (e.g., VPN, mutual TLS) as an interim control. Monitor access logs for authentication attempts or unauthorized tampering with outputs. Post-remediation: Conduct integrity audits of G5DFR outputs to detect any historical tampering.

CVE-2025-40585 vulnerability details – vuln.today

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