CVE-2018-7794
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I. Basic Information for CVE-2018-7794
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) which could cause a Denial of Service when reading data with invalid index using Modbus TCP.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对因果或异常条件的不恰当检查
Source: NVD (National Vulnerability Database)
Vulnerability Title
多款Schneider Electric产品代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Schneider Electric Modicon M580等都是法国施耐德电气（Schneider Electric）公司的产品。Schneider Electric Modicon M580是一款可编程自动化控制器。Schneider Electric Modicon Premium是一款用于离散或过程应用的大型可编程逻辑控制器（PLC）。Schneider Electric Modicon Quantum是一款用于过程应用、高可用性和安全解决方案的大型可编程逻辑控制器（PLC）。 多款Schnei
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Schneider Electric SE | Modicon M580, Modicon M340, Modicon Quantum, Modicon Premium (see security notification for specific versions) | Modicon M580 | - |
II. Public POCs for CVE-2018-7794
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.se.com/ww/en/download/document/SEVD-2019-344-01x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2018-7794
Same Patch Batch · Schneider Electric SE · 2020-01-06 · 3 CVEs total
| CVE-2019-6856 | 多款Schneider Electric产品代码问题漏洞 | |
| CVE-2019-6857 | 多款Schneider Electric产品代码问题漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-754
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uutils coreutils printenv Security Inspection Bypass via UTF - CVE-2026-40343
free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPos - CVE-2026-40249
free5gc UDR fail-open request handling in PolicyDataSubsToNo
V. Comments for CVE-2018-7794
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