FKIE_CVE-2025-8531

Vulnerability from fkie_nvd - Published: 2025-09-19 10:15 - Updated: 2025-09-24 06:15
Severity ?
6.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, Q26UDVCPU, Q04UDPVCPU, Q06UDPVCPU, Q13UDPVCPU, and Q26UDPVCPU with the first 5 digits of serial No. "24082" to "27081" allows a remote attacker to cause an integer underflow by sending specially crafted packets to the affected product to stop Ethernet communication and the execution of control programs on the product, when the user authentication function is enabled. The user authentication function is enabled by default only when settings are configured by GX Works2, which complies with the Cybersecurity Law of the People's Republic of China, and is normally disabled.
References
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://jvn.jp/vu/JVNVU97846038/
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.cisa.gov/news-events/ics-advisories/icsa-25-266-02
Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jphttps://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-013_en.pdf
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric Corporation MELSEC-Q Series Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, Q26UDVCPU, Q04UDPVCPU, Q06UDPVCPU, Q13UDPVCPU, and Q26UDPVCPU with the first 5 digits of serial No. \"24082\" to \"27081\" allows a remote attacker to cause an integer underflow by sending specially crafted packets to the affected product to stop Ethernet communication and the execution of control programs on the product, when the user authentication function is enabled. The user authentication function is enabled by default only when settings are configured by GX Works2, which complies with the Cybersecurity Law of the People\u0027s Republic of China, and is normally disabled."
    }
  ],
  "id": "CVE-2025-8531",
  "lastModified": "2025-09-24T06:15:47.653",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 4.0,
        "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-09-19T10:15:36.807",
  "references": [
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "url": "https://jvn.jp/vu/JVNVU97846038/"
    },
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-25-266-02"
    },
    {
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "url": "https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-013_en.pdf"
    }
  ],
  "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-130"
        }
      ],
      "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp",
      "type": "Secondary"
    }
  ]
}


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