fkie_cve-2022-34840
Vulnerability from fkie_nvd
Published
2022-12-07 10:15
Modified
2025-04-23 17:15
Severity ?
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
Use of hard-coded credentials vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to alter?configuration settings of the device. The affected products/versions are as follows: WZR-300HP firmware Ver. 2.00 and earlier, WZR-450HP firmware Ver. 2.00 and earlier, WZR-600DHP firmware Ver. 2.00 and earlier, WZR-900DHP firmware Ver. 1.15 and earlier, HW-450HP-ZWE firmware Ver. 2.00 and earlier, WZR-450HP-CWT firmware Ver. 2.00 and earlier, WZR-450HP-UB firmware Ver. 2.00 and earlier, WZR-600DHP2 firmware Ver. 1.15 and earlier, and WZR-D1100H firmware Ver. 2.00 and earlier.
References
vultures@jpcert.or.jphttps://jvn.jp/en/vu/JVNVU92805279/index.htmlThird Party Advisory
vultures@jpcert.or.jphttps://www.buffalo.jp/news/detail/20221003-01.htmlPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/vu/JVNVU92805279/index.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.buffalo.jp/news/detail/20221003-01.htmlPatch, Vendor Advisory
Impacted products
Vendor Product Version
buffalo wzr-300hp_firmware *
buffalo wzr-300hp -
buffalo wzr-450hp_firmware *
buffalo wzr-450hp -
buffalo wzr-600dhp_firmware *
buffalo wzr-600dhp -
buffalo wzr-900dhp_firmware *
buffalo wzr-900dhp -
buffalo hw-450hp-zwe_firmware *
buffalo hw-450hp-zwe -
buffalo wzr-450hp-cwt_firmware *
buffalo wzr-450hp-cwt -
buffalo wzr-450hp-ub_firmware *
buffalo wzr-450hp-ub -
buffalo wzr-600dhp2_firmware *
buffalo wzr-600dhp2 -
buffalo wzr-d1100h_firmware *
buffalo wzr-d1100h -


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-300hp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "987542D2-0324-4EAC-B286-8890DEC17054",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-300hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "80FFBDA4-E1A4-46CC-8EE0-6C92CB5C0A03",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-450hp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D05D42D1-9A42-4C9B-9EE2-26A2470C3548",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-450hp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "6014747F-30BA-4C65-8340-CA16C886A45B",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-600dhp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE46751B-8FA3-4D8C-AC9D-F5E8025565B8",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-600dhp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "06AF9040-7F63-4E80-82DD-7448320BC940",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-900dhp_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F3669EA6-95FC-4C23-9B48-6FD85011125F",
              "versionEndIncluding": "1.15",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-900dhp:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "B8BD47F3-29D0-4B34-A346-C0042FBD75ED",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:hw-450hp-zwe_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9623821-D3F8-46C3-8B85-CBD86B8BC1D9",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:hw-450hp-zwe:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "54BE2F24-8A3F-426F-B935-62F82F83E457",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-450hp-cwt_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "203244A3-B02D-4E16-A2C9-DE7BB015A299",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-450hp-cwt:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "348D05E5-E619-4AE9-8A62-DF214899DB17",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-450hp-ub_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "891A733D-5D0C-4B2C-A8AF-5DDE7D6EC83F",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-450hp-ub:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C5923DA5-CF09-408D-BE0D-A878EFB8BB6B",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-600dhp2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5C50F463-0017-4C5F-95CB-D5927ED52346",
              "versionEndIncluding": "1.15",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-600dhp2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9271B665-2267-4C24-92FD-B1CBCB2F0F59",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:buffalo:wzr-d1100h_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7DE80A3F-C286-46F6-A318-D0D3E0216B5E",
              "versionEndIncluding": "2.00",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:buffalo:wzr-d1100h:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "79BB1A7E-19AD-4897-B20F-03BDA7DCFA8C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Use of hard-coded credentials vulnerability in multiple Buffalo network devices allows a network-adjacent attacker to alter?configuration settings of the device. The affected products/versions are as follows: WZR-300HP firmware Ver. 2.00 and earlier, WZR-450HP firmware Ver. 2.00 and earlier, WZR-600DHP firmware Ver. 2.00 and earlier, WZR-900DHP firmware Ver. 1.15 and earlier, HW-450HP-ZWE firmware Ver. 2.00 and earlier, WZR-450HP-CWT firmware Ver. 2.00 and earlier, WZR-450HP-UB firmware Ver. 2.00 and earlier, WZR-600DHP2 firmware Ver. 1.15 and earlier, and WZR-D1100H firmware Ver. 2.00 and earlier."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de uso de credenciales codificadas en m\u00faltiples dispositivos de red de Buffalo permite que un atacante adyacente a la red altere los ajustes de configuraci\u00f3n del dispositivo. Los productos/versiones afectados son los siguientes: WZR-300HP firmware Ver. 2.00 y anteriores, versi\u00f3n del firmware WZR-450HP. 2.00 y anteriores, versi\u00f3n del firmware WZR-600DHP. 2.00 y anteriores, versi\u00f3n del firmware WZR-900DHP. 1.15 y anteriores, versi\u00f3n del firmware HW-450HP-ZWE. 2.00 y anteriores, versi\u00f3n del firmware WZR-450HP-CWT. 2.00 y anteriores, versi\u00f3n del firmware WZR-450HP-UB. 2.00 y anteriores, versi\u00f3n del firmware WZR-600DHP2. 1.15 y anteriores, y la versi\u00f3n del firmware WZR-D1100H. 2.00 y antes."
    }
  ],
  "id": "CVE-2022-34840",
  "lastModified": "2025-04-23T17:15:48.673",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2022-12-07T10:15:10.303",
  "references": [
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/vu/JVNVU92805279/index.html"
    },
    {
      "source": "vultures@jpcert.or.jp",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.buffalo.jp/news/detail/20221003-01.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://jvn.jp/en/vu/JVNVU92805279/index.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.buffalo.jp/news/detail/20221003-01.html"
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-798"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.