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CVE-2025-53476

nvd nist
Published: Oct 7, 2025Modified: Jun 17, 2026Deferred

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability: 3.9 / Impact: 1.4
Source: CNA (Secondary)

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.

Related CWEs

CWE-775
Missing Release of File Descriptor or Handle after Effective Lifetime
The product does not release a file descriptor or handle after its effective lifetime has ended, i.e., after the file descriptor/handle is no longer needed.

References (2)

Source: talos-cna@cisco.com
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.