CVE-2026-8806 (GCVE-0-2026-8806)

Vulnerability from cvelistv5 – Published: 2026-06-19 02:31 – Updated: 2026-06-19 02:31
VLAI
Title
Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series FX5-ENET/IP Ethernet module
Summary
Expected Behavior Violation vulnerability in Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service (DoS) condition in the affected product by continuously sending a large number of communication packets to the Ethernet port of the product in a short period of time, increasing the processing load of the product, preventing the internal anomaly-detection processing from being performed, and causing the communication function to stop.
CWE
  • CWE-440 - Expected Behavior Violation
Assigner
References
Show details on NVD website

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          "defaultStatus": "unaffected",
          "product": "Mitsubishi Electric MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP",
          "vendor": "Mitsubishi Electric Corporation",
          "versions": [
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              "version": "All versions"
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      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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      "providerMetadata": {
        "dateUpdated": "2026-06-19T02:31:04.534Z",
        "orgId": "e0f77b61-78fd-4786-b3fb-1ee347a748ad",
        "shortName": "Mitsubishi"
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      "references": [
        {
          "tags": [
            "vendor-advisory"
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          "url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-003_en.pdf"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://jvn.jp/vu/JVNVU97140216/"
        },
        {
          "tags": [
            "government-resource"
          ],
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-169-06"
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      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Denial-of-service (DoS) vulnerability in MELSEC iQ-F Series FX5-ENET/IP Ethernet module",
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  "cveMetadata": {
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    "assignerShortName": "Mitsubishi",
    "cveId": "CVE-2026-8806",
    "datePublished": "2026-06-19T02:31:04.534Z",
    "dateReserved": "2026-05-18T05:52:04.899Z",
    "dateUpdated": "2026-06-19T02:31:04.534Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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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

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Nomenclature

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