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.
History

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 : Received

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

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

Link: CVE-2025-53476

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.