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CVE-2025-5514 (GCVE-0-2025-5514)

Vulnerability from cvelistv5 – Published: 2025-08-25 05:55 – Updated: 2025-08-26 04:19
VLAI
Title
Denial-of-Service(DoS) Vulnerability in Web server function on MELSEC iQ-F Series CPU module
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-25 18:00 UTC
CWE
  • CWE-130 - Improper Handling of Length Parameter Inconsistency
Assigner
References
Impacted products
Vendor Product Version CPE status
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ESS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MR/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/ESS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-64MR/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/ESS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/ES Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-80MR/DS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/D Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/D Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-64MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/D Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-96MT/DSS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DS-TS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MT/DSS-TS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UC-32MR/DS-TS Affected: 1.060 and later
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/DSS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/DSS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/DSS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MT/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-24MR/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MT/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-40MR/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MT/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5UJ-60MR/ES-A Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/ESS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MR/ES Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ES Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/ESS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MR/ES Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MT/DSS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-30MR/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MT/DSS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-40MR/DS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/DS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MT/DSS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-60MR/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/DS Affected: All versions
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Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MT/DSS Affected: All versions
guessed Create a notification for this product.
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5S-80MR/DS Affected: All versions
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              "content": {
                "id": "CVE-2025-5514",
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            {
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            {
              "status": "affected",
              "version": "1.060 and later"
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          ]
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          "defaultStatus": "unaffected",
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            {
              "status": "affected",
              "version": "1.060 and later"
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            {
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          "defaultStatus": "unaffected",
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            {
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          "defaultStatus": "unaffected",
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          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-24MT/DS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-24MT/ESS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-24MT/DSS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-24MR/ES",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-24MR/DS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MT/ES",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MT/DS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MT/ESS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MT/DSS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MR/ES",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-40MR/DS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MT/ES",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MT/DS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MT/ESS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MT/DSS",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MR/ES",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "MELSEC iQ-F Series FX5UJ-60MR/DS",
          "vendor": "Mitsubishi Electric Corporation",
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      "cveMetadata": "{\"cveId\": \"CVE-2025-5514\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-25T18:01:56.368Z\", \"dateReserved\": \"2025-06-03T06:22:17.624Z\", \"assignerOrgId\": \"e0f77b61-78fd-4786-b3fb-1ee347a748ad\", \"datePublished\": \"2025-08-25T05:55:32.622Z\", \"assignerShortName\": \"Mitsubishi\"}",
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    }
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}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.