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Vulnerabilities

Vulnerability · CVE-2025-7405

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or writ

Published Sep 1, 2025 · catalog updated Sep 2, 2025 · Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-7405. EPSS is 0.47%. Act only if a listed version of Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.47%
Remediation
Vendor / distro source
Affected products
vendor Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES 1.060 and later

Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the products does not have authentication features.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES 1.060 and later1.060 and later

How to fix CVE-2025-7405

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-7405. EPSS is 0.47%. Act only if a listed version of Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES is installed.

Which versions are affected?

Compare what you have installed with Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES 1.060 and later 1.060 and later. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 1, 2025 · EUVD

    Detected

    Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the products does not have authentication features.

  2. Sep 2, 2025 · EUVD

    Updated

    Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the products does not have authentication features.

Sources

  • CVE.orgVulnerability recordCVE-2025-7405

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-7405

    30-day exploitation probability 0.47%

    first.org
  • EUVDVulnerability recordEUVD-2025-26324

    Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to read or write the device values of the product and stop the operation of the programs, since MODBUS/TCP in the p

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026