FKIE_CVE-2021-44246

Vulnerability from fkie_nvd - Published: 2022-02-04 02:15 - Updated: 2026-06-17 04:12
Summary
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.
Impacted products
Vendor Product Version
totolink a720r_firmware 4.1.5cu.470_b20200911
totolink a720r -
totolink a830r_firmware 5.9c.4729_b20191112
totolink a830r -
totolink a3100r_firmware 4.1.2cu.5050_b20200504
totolink a3100r -

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:totolink:a720r_firmware:4.1.5cu.470_b20200911:*:*:*:*:*:*:*",
              "matchCriteriaId": "C7B3C9D3-E762-4AEE-9E03-B2A1819785A4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:totolink:a720r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1DE5168-B787-462C-B024-2B8F73759034",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:totolink:a830r_firmware:5.9c.4729_b20191112:*:*:*:*:*:*:*",
              "matchCriteriaId": "FCB860A4-250F-43CD-90F6-E97D9FF4D595",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:totolink:a830r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1751A6D0-CD32-4035-94B0-6085272AB214",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:totolink:a3100r_firmware:4.1.2cu.5050_b20200504:*:*:*:*:*:*:*",
              "matchCriteriaId": "0BD0B6FC-5C4F-4547-883D-7B9C03B45523",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:totolink:a3100r:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "40729E79-9D89-440F-B38D-E62D310E27F9",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "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"
    }
  ],
  "id": "CVE-2021-44246",
  "lastModified": "2026-06-17T04:12:06.920",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-02-04T02:15:07.827",
  "references": [
    {
      "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"
      ],
      "url": "https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_2/2.md"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…