CVE-2025-53476_CVE-2025-53476

5.3 / 10

MEDIUM

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

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.

Basic Information

ID CVE-2025-53476

Source talos

Published Oct 7, 2025 at 13:49

Affected Product

Vendor OpenPLC

Product OpenPLC_v3

Version a931181e8b81e36fadf7b74d5cba99b73c3f6d58

Affected Versions OpenPLC OpenPLC_v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58

CWE Classification

CWE-775

References

talosintelligence.com /vulnerability_reports/TALOS-2025-2223

{
    "lastseen": "",
    "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.",
    "published": "2025-10-07T13:49:56.656Z",
    "modified": "2025-10-07T13:49:56.656Z",
    "type": "cve",
    "title": "CVE-2025-53476",
    "source": "talos",
    "references": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2223",
    "id": "CVE-2025-53476",
    "bulletinFamily": "",
    "cwe": [
        "CWE-775"
    ],
    "cvelist": null,
    "sourceData": "OpenPLC OpenPLC_v3 a931181e8b81e36fadf7b74d5cba99b73c3f6d58",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "OpenPLC_v3",
    "version": "a931181e8b81e36fadf7b74d5cba99b73c3f6d58",
    "vendor": "OpenPLC",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}