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CVE-2025-53476

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CVE-2025-53476

Published: Oct 7, 2025

Modified: Nov 3, 2025

PUBLISHED

CVSS v3.1

5.3

MEDIUM

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.

VendorProductVersions

OpenPLC

OpenPLC_v3

affected
a931181e8b81e36fadf7b74d5cba99b73c3f6d58

Weaknesses (CWE)

CWE-775

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

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