CVE-2025-53476CWE-775

CVE-2025-53476

Medium · published October 7, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00465 · 39.3th percentile
Weakness
CWE-775 · Missing Release of File Descriptor or Handle after Effective Lifetime
Published
2025-10-07T18:15Z
References (2)
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223 · [email protected]https://www.talosintelligence.com/vulnerability_reports/TALOS-2025-2223 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 07 OCT 13:49Z
    A denial of service vulnerability exists in the ModbusTCP server functionality of OpenPLC _v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58
    cvelistv5