PT-2026-71037 · Phoenix Contact · Plcnext Engineer

·

CVE-2025-41770

·

Published

2026-08-12

·

Updated

2026-08-12

CVSS v3.1

7.5

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions PLCnext Engineer (affected versions not specified)
Description An unauthenticated denial-of-service issue exists in the PLCnext Engineer communication interface. A remote attacker can interrupt access via the client application, which prevents communication until the PLCnext service is manually restarted.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Allocation of Resources Without Limits

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2025-41770

Affected Products

Plcnext Engineer