Cyber Resilience

CVE-2025-53476

Medium

Published: 07 October 2025

Published
07 October 2025
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0010 27.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-53476 is a medium-severity Missing Release of File Descriptor or Handle after Effective Lifetime (CWE-775) vulnerability. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 27.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

connections to trigger this vulnerability.

CWE(s)
CWE-775

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References