What is CVE-2025-54811?

CVE-2025-54811 is a high-severity vulnerability in Openplc_v3, classified under CWE-758. CVSS score: 7.1/10. Published 2025-10-01.

How severe is CVE-2025-54811?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Openplc_v3

CVE-2025-54811

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 wi…

EPSS: 0.001 (17.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Openplc_v3 — versions 0

Weakness classification (CWE)

CWE-758

References

www.cisa.gov/news-events/ics-advisories/icsa-25-273-05
github.com/thiagoralves/OpenPLC_v3

Frequently asked questions

What is CVE-2025-54811?: CVE-2025-54811 is a high-severity vulnerability in Openplc_v3, classified under CWE-758. CVSS score: 7.1/10. Published 2025-10-01.
How severe is CVE-2025-54811?: High severity. CVSS v3 base score is 7.1 out of 10.