Mitsubishi Electric Corporation Melsec Iq-R Series R16pcpu

8 CVEs affecting Mitsubishi Electric Corporation Melsec Iq-R Series R16pcpu. Latest disclosed: 2026-02-05. Critical: 2, High: 4.

Top CVEs affecting Mitsubishi Electric Corporation Melsec Iq-R Series R16pcpu
CVESeverityScorePublishedSummary
CVE-2023-4699Critical10.02023-11-06Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation MELSEC-F Series CPU modules, MELSEC iQ-F Series, MELSEC iQ-R seri…
CVE-2023-1424Critical10.02023-05-24Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELS…
CVE-2023-0457High7.52023-03-03Plaintext Storage of a Password vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series, MELSEC iQ-R Series, MELSEC-Q Series and MELSEC-L Series al…
CVE-2021-20611High7.52021-12-01Improper Input Validation vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R Series…
CVE-2021-20610High7.52021-12-01Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(E…
CVE-2021-20609High7.52021-12-01Uncontrolled Resource Consumption vulnerability in Mitsubishi Electric MELSEC iQ-R Series R00/01/02CPU, MELSEC iQ-R Series R04/08/16/32/120(EN)CPU, MELSEC iQ-R…
CVE-2023-4625Medium5.32023-11-06Improper Restriction of Excessive Authentication Attempts vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F/iQ-R Series CPU modules Web server funct…
CVE-2025-150802026-02-05Improper Validation of Specified Quantity in Input vulnerability in Mitsubishi Electric MELSEC iQ-R Series R08PCPU, R16PCPU, R32PCPU, and R120PCPU allows an un…