CVE-2026-1875— Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module
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I. Basic Information for CVE-2026-1875
Vulnerability Information
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Vulnerability Title
Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/IP module
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP versions 1.000 and prior allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric MELSEC iQ-F series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-F series是日本三菱电机（Mitsubishi Electric）公司的一款可编程逻辑控制器。 Mitsubishi Electric MELSEC iQ-F series存在安全漏洞，该漏洞源于资源关闭或释放不当，可能导致远程攻击者通过持续发送UDP数据包造成拒绝服务。
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 |
|---|---|---|---|---|
| Mitsubishi Electric Corporation | MELSEC iQ-F Series FX5-EIP EtherNet/IP Module FX5-EIP | versions 1.000 and prior | - |
II. Public POCs for CVE-2026-1875
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mitsubishi Electric Corporation · 2026-03-03 · 3 CVEs total
| CVE-2026-1874 | Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series EtherNet/ | |
| CVE-2026-1876 | Denial-of-Service (DoS) vulnerability in Ethernet function of MELSEC iQ-F Series Ethernet |
IV. Related Vulnerabilities
Same vendor: Mitsubishi Electric Corporation
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Denial-of-Service (DoS) vulnerability in Ethernet function o
Same weakness: CWE-404
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V. Comments for CVE-2026-1875
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