CVE-2020-5544
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I. Basic Information for CVE-2020-5544
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Null Pointer Dereference vulnerability in TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier allows remote attackers to stop the network functions or execute malware via a specially crafted packet.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric MELQIC IU1 TCP功能代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELQIC IU1是日本三菱电机（Mitsubishi）公司的一款IU1系列数据收集分析仪。 使用1.0.7及之前版本固件的Mitsubishi Electric MELQIC IU1 IU1-1M20-D中的TCP功能存在代码问题漏洞。远程攻击者可借助特制的数据包利用该漏洞造成网络功能终止或执行恶意软件。
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 | Mitsubishi Electric MELQIC IU1 series | IU1-1M20-D firmware version 1.0.7 and earlier | - |
II. Public POCs for CVE-2020-5544
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://jvn.jp/en/vu/JVNVU92370624/index.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-5544
Same Patch Batch · Mitsubishi Electric Corporation · 2020-03-16 · 6 CVEs total
| CVE-2020-5542 | Mitsubishi Electric MELQIC IU1 TCP功能缓冲区错误漏洞 | |
| CVE-2020-5543 | Mitsubishi Electric MELQIC IU1 TCP功能授权问题漏洞 | |
| CVE-2020-5545 | Mitsubishi Electric MELQIC IU1 TCP功能访问控制错误漏洞 | |
| CVE-2020-5546 | Mitsubishi Electric MELQIC IU1 TCP功能参数注入漏洞 | |
| CVE-2020-5547 | Mitsubishi Electric MELQIC IU1 TCP功能输入验证错误漏洞 |
IV. Related Vulnerabilities
Same product: Mitsubishi Electric MELQIC IU1 series
Same vendor: Mitsubishi Electric Corporation
- CVE-2025-14816
Information Disclosure, Tampering, and Denial-of-Service Vul - CVE-2025-14815
Information Disclosure, Tampering, and Denial-of-Service Vul - CVE-2025-2399
Denial of Service (DoS) Vulnerability in Mitsubishi Electric - CVE-2026-1876
Denial-of-Service (DoS) vulnerability in Ethernet function o - CVE-2026-1875
Denial-of-Service (DoS) vulnerability in Ethernet function o
V. Comments for CVE-2020-5544
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