How to fix EUVD-2025-16865?

Within 24 hours: Immediately inventory all airleader MASTER 3.00571 deployments and restrict network access to these systems using firewall rules—limit access to only trusted IP addresses and administrative networks. Within 7 days: Implement network segmentation to isolate affected systems from critical production environments and deploy enhanced monitoring for authentication anomalies and unauthorized access attempts. Within 30 days: Contact WF Steuerungstechnik GmbH for patch availability; evaluate alternative vendors or versions if patching timeline is unclear; conduct security audit of all access logs for potential prior compromise.

Is WF Steuerungstechnik GmbH affected by EUVD-2025-16865?

A critical authentication bypass vulnerability in WF Steuerungstechnik GmbH airleader MASTER (version 3.00571) allows attackers to gain unauthorized access without valid credentials, potentially compromising industrial control systems and operational technology infrastructure.

WF Steuerungstechnik GmbH EUVD-2025-16865

| CVE-2025-5597 CRITICAL

Improper Authentication (CWE-287)

2025-06-04 [email protected]

Authentication Bypass

10.0

CVSS 4.0

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Lifecycle Timeline

Analysis Generated

Mar 14, 2026 - 17:29 vuln.today

EUVD ID Assigned

Mar 14, 2026 - 17:29 euvd

EUVD-2025-16865

CVE Published

Jun 04, 2025 - 12:15 nvd

CRITICAL 10.0

DescriptionNVD

Improper Authentication vulnerability in WF Steuerungstechnik GmbH airleader MASTER allows Authentication Bypass.This issue affects airleader MASTER: 3.00571.

AnalysisAI

Auth bypass in Airleader MASTER. CVSS 10.0.

Technical ContextAI

CWE-287.

RemediationAI

Apply vendor patch.

EUVD-2025-16865 vulnerability details – vuln.today

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