PT-2025-35446 · Mitsubishi · Melsec Iq-F Series Cpu Module

Loc Nguyen + 3 · Published 2025-09-01 · Updated 2025-09-01 · CVE-2025-7731

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module (affected versions not specified)

Description A cleartext transmission issue exists in the Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module. A remote, unauthenticated attacker can intercept SLMP communication messages to obtain credential information. This allows the attacker to read or write device values and potentially stop program operations.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

CVE-2025-7731

Affected Products

Melsec Iq-F Series Cpu Module

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-7731 · Security Note
• https://mitsubishielectric.com/psirt/vulnerability/pdf/2025-012_en.pdf · Vendor Advisory
• https://cisa.gov/news-events/ics-advisories/icsa-25-240-02 · Note
• https://twitter.com/ZeroPathLabs/status/1962386709292753212 · Twitter Post
• https://twitter.com/CVEnew/status/1962371317241372736 · Twitter Post
• https://jvn.jp/vu/JVNVU90041458 · Note
• https://t.me/cveNotify/134016 · Telegram Post