CVE-2025-41770 — HIGH (7.5)

Vulnerability Description

An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploitation prevents communication until the PLCnext service is manually restarted.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Related Weaknesses (CWE)

CWE-770

References

https://phoenixcontact.csaf-tp.certvde.com/.well-known/csaf/white/2026/vde-2025-

FAQ

What is CVE-2025-41770?

CVE-2025-41770 is a vulnerability with a CVSS score of 7.5 (HIGH). An unauthenticated denial-of-service vulnerability in the device's PLCnext Engineer communication interface allow an remote attacker to interrupt access via the client application. Successful exploita...

How severe is CVE-2025-41770?

CVE-2025-41770 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41770?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.