{
  "id": "CVE-2021-44246",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-02-04T02:15:07.827",
  "lastModified": "2024-11-21T06:30:39.933",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Totolink devices A3100R v4.1.2cu.5050_B20200504, A830R v5.9c.4729_B20191112, and A720R v4.1.5cu.470_B20200911 were discovered to contain a stack overflow in the function setNoticeCfg. This vulnerability allows attackers to cause a Denial of Service (DoS) via the IpTo parameter."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que los dispositivos Totolink A3100R versi\u00f3n v4.1.2cu.5050_B20200504, A830R versi\u00f3n v5.9c.4729_B20191112 y A720R versi\u00f3n v4.1.5cu.470_B20200911 contienen un desbordamiento de pila en la funci\u00f3n setNoticeCfg. Esta vulnerabilidad permite a atacantes causar una denegaci\u00f3n de servicio (DoS) por medio del par\u00e1metro IpTo"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*",
              "matchCriteriaId": "C7B3C9D3-E762-4AEE-9E03-B2A1819785A4"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1DE5168-B787-462C-B024-2B8F73759034"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:totolink:a830r_firmware:5.9c.4729_b20191112:*:*:*:*:*:*:*",
              "matchCriteriaId": "FCB860A4-250F-43CD-90F6-E97D9FF4D595"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1751A6D0-CD32-4035-94B0-6085272AB214"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*",
              "matchCriteriaId": "0BD0B6FC-5C4F-4547-883D-7B9C03B45523"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "40729E79-9D89-440F-B38D-E62D310E27F9"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}