A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 08 Oct 2025 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Openplcproject
Openplcproject openplc V3
Openplcproject openplc V3 Firmware
Vendors & Products Openplcproject
Openplcproject openplc V3
Openplcproject openplc V3 Firmware

Tue, 07 Oct 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 07 Oct 2025 14:00:00 +0000

Type Values Removed Values Added
Description A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58. A specially crafted series of network connections can lead to the server not processing subsequent Modbus requests. An attacker can open a series of TCP connections to trigger this vulnerability.
Weaknesses CWE-775
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2025-10-07T15:28:56.205Z

Reserved: 2025-07-11T21:16:14.229Z

Link: CVE-2025-53476

cve-icon Vulnrichment

Updated: 2025-10-07T14:33:45.637Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-07T14:15:37.270

Modified: 2025-10-08T19:38:32.610

Link: CVE-2025-53476

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-08T13:38:41Z