Vulnerability-Lookup

FKIE_CVE-2022-21742

Vulnerability from fkie_nvd - Published: 2022-06-20 06:15 - Updated: 2026-06-17 04:26

Severity

6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services.

References

	URL	Tags
	twcert@cert.org.tw	https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html	Third Party Advisory

Impacted products

Vendor	Product	Version
realtek	rtl8156_firmware	*
realtek	rtl8156_firmware	*
realtek	rtl8156_firmware	*
realtek	rtl8156	-
realtek	rtl8156b_firmware	*
realtek	rtl8156b_firmware	*
realtek	rtl8156b_firmware	*
realtek	rtl8156b	-
realtek	rtl8153_firmware	*
realtek	rtl8153_firmware	*
realtek	rtl8153_firmware	*
realtek	rtl8153	-
realtek	rtl8153b_firmware	*
realtek	rtl8153b_firmware	*
realtek	rtl8153b_firmware	*
realtek	rtl8153b	-
realtek	rtl8154_firmware	*
realtek	rtl8154_firmware	*
realtek	rtl8154_firmware	*
realtek	rtl8154	-
realtek	rtl8154b_firmware	*
realtek	rtl8154b_firmware	*
realtek	rtl8154b_firmware	*
realtek	rtl8154b	-
realtek	rtl8152b_firmware	*
realtek	rtl8152b_firmware	*
realtek	rtl8152b_firmware	*
realtek	rtl8152b	-

JSON

To clipboard

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  "cveTags": [],
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    {
      "lang": "en",
      "value": "Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services."
    },
    {
      "lang": "es",
      "value": "El controlador USB de Realtek presenta una vulnerabilidad de desbordamiento del b\u00fafer debido a una insuficiente verificaci\u00f3n de la longitud de los par\u00e1metros en la funci\u00f3n de la API. Un atacante no autenticado de la LAN puede explotar esta vulnerabilidad para interrumpir los servicios"
    }
  ],
  "id": "CVE-2022-21742",
  "lastModified": "2026-06-17T04:26:54.113",
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
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          "accessVector": "ADJACENT_NETWORK",
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  "published": "2022-06-20T06:15:08.630",
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}

CVE-2022-21742 (GCVE-0-2022-21742)

Vulnerability from cvelistv5 – Published: 2022-06-20 05:30 – Updated: 2024-09-17 01:36

Title

Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow

Summary

Severity

6.2 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE

CWE-120 - Buffer Overflow

Assigner

twcert mitre root

References

1 reference

URL	Tags
https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html	x_refsource_MISC

Impacted products

3 products

Vendor	Product	Version
Realtek	USB FE/1GbE/2.5GbE/5GbE NIC Family	Affected: 10.28 , ≤ 10.39 (custom)
Realtek	USB FE/1GbE/2.5GbE/5GbE NIC Family	Affected: 8.49 , ≤ 8.60 (custom)
Realtek	USB FE/1GbE/2.5GbE/5GbE NIC Family	Affected: 7.42 , ≤ 7.53 (custom)

Date Public

2022-04-26 00:00

Credits

Realtek

Show details on NVD website

JSON

To clipboard

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        "CVE_data_meta": {
          "AKA": "TWCERT/CC",
          "ASSIGNER": "cve@cert.org.tw",
          "DATE_PUBLIC": "2022-04-26T05:10:00.000Z",
          "ID": "CVE-2022-21742",
          "STATE": "PUBLIC",
          "TITLE": "Realtek USB FE/1GbE/2.5GbE/5GbE NIC Family - Buffer Overflow"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "USB FE/1GbE/2.5GbE/5GbE NIC Family",
                      "version": {
                        "version_data": [
                          {
                            "platform": "Windows 10",
                            "version_affected": "\u003c=",
                            "version_name": "10.28",
                            "version_value": "10.39"
                          },
                          {
                            "platform": "Windows 8",
                            "version_affected": "\u003c=",
                            "version_name": "8.49",
                            "version_value": "8.60"
                          },
                          {
                            "platform": "Windows 7",
                            "version_affected": "\u003c=",
                            "version_name": "7.42",
                            "version_value": "7.53"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Realtek"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "Realtek"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Realtek USB driver has a buffer overflow vulnerability due to insufficient parameter length verification in the API function. An unauthenticated LAN attacker can exploit this vulnerability to disrupt services."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.2,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-120 Buffer Overflow"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html",
              "refsource": "MISC",
              "url": "https://www.twcert.org.tw/tw/cp-132-6057-1cd0d-1.html"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "Update version to v10.50"
          }
        ],
        "source": {
          "advisory": "TVN-202204001",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e",
    "assignerShortName": "twcert",
    "cveId": "CVE-2022-21742",
    "datePublished": "2022-06-20T05:30:28.159Z",
    "dateReserved": "2021-11-19T00:00:00.000Z",
    "dateUpdated": "2024-09-17T01:36:28.945Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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FKIE_CVE-2022-21742

CVE-2022-21742 (GCVE-0-2022-21742)

Tags

Sightings

Nomenclature

Related by attack behaviour