CVE-2025-7731 (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-319 CWE-319

References

Other References

https://jvn.jp/vu/JVNVU90041458/ https://www.cisa.gov/news-events/ics-advisories/icsa-25-240-02 https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-012_en.pdf

Frequently Asked Questions

What is CVE-2025-7731? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2025-7731? +

CVE-2025-7731 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-7731? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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