CVE-2025-41669: Insufficient Verification of Data Authenticity

Published May 27, 2026
·
Updated

The Web-based Management allows a remote low privileged Engineer user to install additional APPs on the device downloaded from the PLCnext Store without implementing any data verification mechanism, leading to the capability for an Engineer user to reach arbitrary code execution with root privileges on the PLC device. A successful exploitation may allow to install a manipulated APP package, potentially impacting integrity and availability of the PLCnext Control.

Affected Software

1 affected component
Phoenix Contact PLCnext Control

Event History

May 27, 2026
CVE Published
via MITRE·07:18 AM
Data Sourced
via MITRE·07:18 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:16 AM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2025-41669?

The severity of CVE-2025-41669 is classified as high with a score of 8.7.

2

How do I fix CVE-2025-41669?

To fix CVE-2025-41669, ensure that the web-based management system implements proper data verification mechanisms before allowing any app installations.

3

What vulnerabilities does CVE-2025-41669 present?

CVE-2025-41669 presents a risk of arbitrary code execution with root privileges due to insufficient verification of data authenticity.

4

Who is affected by CVE-2025-41669?

CVE-2025-41669 affects Phoenix Contact PLCnext Control devices with web-based management capabilities.

5

What conditions are required for exploitation of CVE-2025-41669?

Exploitation of CVE-2025-41669 requires a remote low privileged Engineer user to install unauthorized applications.

Contact

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