CVE-2025-54811
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-01

Last updated on: 2025-10-02

Assigner: ICS-CERT

Description
OpenPLC_V3 has a vulnerability in the enipThread function that occurs due to the lack of a return value. This leads to a crash when the server loop ends and execution hits an illegal ud2 instruction. This issue can be triggered remotely without authentication by starting the same server multiple times or if the server exits unexpectedly. The vulnerability allows an attacker to cause a Denial of Service (DoS) against the PLC runtime, stopping any PC started remotely without authentication. This results in the PLC process crashing and halting all automation or control logic managed by OpenPLC.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-10-01
Last Modified
2025-10-02
Generated
2026-05-07
AI Q&A
2025-10-02
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
openplc openplc_runtime 3
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-758 The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in OpenPLC_V3 occurs in the enipThread function due to a missing return value, which causes the server to crash when the server loop ends and an illegal instruction is executed. It can be triggered remotely without authentication by starting the server multiple times or if the server exits unexpectedly, leading to a crash of the PLC process.


How can this vulnerability impact me? :

An attacker can exploit this vulnerability to cause a Denial of Service (DoS) against the PLC runtime, stopping any remotely started PLC process without authentication. This results in the PLC process crashing and halting all automation or control logic managed by OpenPLC, potentially disrupting industrial or control systems.


Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70
EPSS Chart