FKIE_CVE-2023-39454

Vulnerability from fkie_nvd - Published: 2023-08-18 10:15 - Updated: 2026-06-17 06:12
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code.
References
vultures@jpcert.or.jphttps://jvn.jp/en/vu/JVNVU91630351/Third Party Advisory
vultures@jpcert.or.jphttps://www.elecom.co.jp/news/security/20230711-01/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/vu/JVNVU91630351/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.elecom.co.jp/news/security/20230711-01/Vendor Advisory
Impacted products
Vendor Product Version
elecom wrc-x1800gs-b_firmware *
elecom wrc-x1800gs-b -
elecom wrc-x1800gsa-b_firmware *
elecom wrc-x1800gsa-b -
elecom wrc-x1800gsh-b_firmware *
elecom wrc-x1800gsh-b -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "WRC-X1800GS-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.13 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X1800GSA-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.13 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X1800GSH-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.13 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X6000QS-G",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.13 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X6000QSA-G",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.13 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X3000GS3-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.05 and earlier"
            }
          ]
        },
        {
          "product": "WRC-X3000GS3A-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.05 and earlier"
            }
          ]
        },
        {
          "product": "WMC-2LX-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.42 and earlier"
            }
          ]
        },
        {
          "product": "WMC-X1800GST-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.42 and earlier"
            }
          ]
        },
        {
          "product": "WSC-X1800GS-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.42 and earlier"
            }
          ]
        },
        {
          "product": "WMC-2LX2-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.16"
            }
          ]
        },
        {
          "product": "WMC-X1800GST2-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.16"
            }
          ]
        },
        {
          "product": "WSC-X1800GS2-B",
          "vendor": "ELECOM CO.,LTD.",
          "versions": [
            {
              "status": "affected",
              "version": "v1.16"
            }
          ]
        }
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:h:elecom:wrc-x1800gs-b:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "wrc-x1800gs-b",
          "vendor": "elecom",
          "versions": [
            {
              "lessThan": "1.13",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:elecom:wrc-x1800gsa-b:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "wrc-x1800gsa-b",
          "vendor": "elecom",
          "versions": [
            {
              "lessThan": "1.13",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:h:elecom:wrc-x1800gsh-b:-:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "wrc-x1800gsh-b",
          "vendor": "elecom",
          "versions": [
            {
              "lessThan": "1.13",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:elecom:wrc-x1800gs-b_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "180230C8-AC98-43BA-8FB9-D32D75B5D004",
              "versionEndIncluding": "1.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:elecom:wrc-x1800gs-b:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "95667B22-5F8C-4774-9E69-2F4B9AF595AC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:elecom:wrc-x1800gsa-b_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "09B2B059-11E9-4D03-A162-B06E56649167",
              "versionEndIncluding": "1.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:elecom:wrc-x1800gsa-b:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3842FA46-4CA2-4ECE-8632-2C74E8D97CDB",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:elecom:wrc-x1800gsh-b_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5DD8EAED-69F6-47ED-B521-E675AD501B38",
              "versionEndIncluding": "1.13",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:elecom:wrc-x1800gsh-b:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "20EA8B33-784F-44E8-B215-DC2554709100",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow vulnerability exists in ELECOM wireless LAN routers, which may allow an unauthenticated attacker to execute arbitrary code."
    },
    {
      "lang": "es",
      "value": "La vulnerabilidad de desbordamiento del b\u00fafer en WRC-X1800GS-B v1.13 y anteriores, WRC-X1800GSA-B v1.13 y anteriores, y WRC-X1800GSH-B v1.13 y anteriores permite a un atacante no autenticado ejecutar c\u00f3digo arbitrario.\n"
    }
  ],
  "id": "CVE-2023-39454",
  "lastModified": "2026-06-17T06:12:21.760",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "vultures@jpcert.or.jp",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-39454",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-07-03T14:02:33.925181Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-08-18T10:15:12.280",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/vu/JVNVU91630351/"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.elecom.co.jp/news/security/20230711-01/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/vu/JVNVU91630351/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://www.elecom.co.jp/news/security/20230711-01/"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "vultures@jpcert.or.jp",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Secondary"
    }
  ]
}


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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

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.