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Vulnerabilities

Vulnerability · CVE-2025-3511

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module

Published Apr 25, 2025 · catalog updated Aug 27, 2026 · Mitsubishi Electric Corporation MELSEC iQ-R Series CPU module R32ENCPU (Network part)

Check if you run it

No confirmed exploitation is on record for CVE-2025-3511. EPSS is 0.91%. Act only if a listed version of Mitsubishi Electric Corporation MELSEC iQ-R Series CPU module R32ENCPU (Network part) is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.91%
Remediation
Vendor / distro source
Affected products
vendor Mitsubishi Electric Corporation MELSEC iQ-R Series CPU module R32ENCPU (Network part) 85 and prior

Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Series CC-Link IE TSN Master/Local Module, MELSEC iQ-R Series Ethernet Interface Module, CC-Link IE TSN Master/Local Station Communication LSI CP610, MELSEC iQ-F Series FX5 CC-Link IE TSN Master/Local Module, MELSEC iQ-F Series FX5 Ethernet Module, MELSEC iQ-F S

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-R Series CPU module R32ENCPU (Network part) 85 and prior85 and prior

How to fix CVE-2025-3511

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-2025-3511. EPSS is 0.91%. Act only if a listed version of Mitsubishi Electric Corporation MELSEC iQ-R Series CPU module R32ENCPU (Network part) is installed.

Which versions are affected?

Compare what you have installed with Mitsubishi Electric Corporation MELSEC iQ-R Series CPU module R32ENCPU (Network part) 85 and prior 85 and prior. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.91%. 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. Apr 25, 2025 · EUVD

    Detected

    Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Series CC-Link IE TSN Master/Local Module, MELSEC iQ-R Series

  2. Aug 27, 2026 · EUVD

    Updated

    Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Series CC-Link IE TSN Master/Local Module, MELSEC iQ-R Series

Sources

  • CVE.orgVulnerability recordCVE-2025-3511

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3511

    30-day exploitation probability 0.9%

    first.org
  • EUVDVulnerability recordEUVD-2025-12400

    Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric Corporation CC-Link IE TSN Remote I/O module, CC-Link IE TSN Analog-Digital Converter module, CC-Link IE TSN Digital-Analog Converter module, CC-Link IE TSN FPGA module, CC-Link IE TSN Remote

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.