CVE-2025-5514 – Mitsubishi Electric Corporation MELSEC iQ-F Series CPU Module HTTP Request Delay Denial of Service Vulnerability

The following table lists the changes that have been made to the
CVE-2025-5514 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 25, 2025

    Action Type Old Value New Value
    Added Description Improper Handling of Length Parameter Inconsistency vulnerability in web server function on Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to delay the processing of the web server function and prevent legitimate users from utilizing the web server function, by sending a specially crafted HTTP request.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-130
    Added Reference https://jvn.jp/vu/JVNVU90316328/
    Added Reference https://www.cisa.gov/news-events/ics-advisories/icsa-25-233-01
    Added Reference https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-010_en.pdf
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