CVE-2025-7731— Information Disclosure Vulnerability in MELSEC iQ-F Series CPU module
Quick assessment
Affected
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mitsubishi Electric MELSEC iQ-F Series CPU是日本三菱电机（Mitsubishi Electric）公司的一系列CPU模块。 Mitsubishi Electric MELSEC iQ-F Series CPU存在安全漏洞，该漏洞源于明文传输敏感信息，可能导致凭据泄露。
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I. Basic Information for CVE-2025-7731
Vulnerability Information
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Vulnerability Title
Information Disclosure Vulnerability in MELSEC iQ-F Series CPU module
Source: CVE Program / CVE List V5
Vulnerability Description
Cleartext Transmission of Sensitive Information vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product and stop the operations of programs by using the obtained credential information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Mitsubishi Electric MELSEC iQ-F Series CPU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-F Series CPU是日本三菱电机（Mitsubishi Electric）公司的一系列CPU模块。 Mitsubishi Electric MELSEC iQ-F Series CPU存在安全漏洞，该漏洞源于明文传输敏感信息，可能导致凭据泄露。
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
II. Public POCs for CVE-2025-7731
| # | POC Description | Source Link | Shenlong Link |
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Vendor Advisories for CVE-2025-7731 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2025-7731
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