# CVE-2024-39590

## Summary

- **CVE ID:** CVE-2024-39590
- **Severity:** HIGH
- **CVSS Score:** 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- **CWE:** CWE-704
- **Published:** Sep 18, 2024
- **Last Modified:** Mar 13, 2026

## Description

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function

## Affected Products

- OpenPLC — OpenPLC_v3 (16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a)

## References

- [CNA](https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016)
- [CVE](https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.02%
- **EPSS Percentile:** 61.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._