Search

Find a vulnerability

Search criteria Use this form to refine search results.
Full-text search supports keyword queries with ranking and filtering.
You can combine vendor, product, and sources to narrow results.
Enable “Apply ordering” to sort by date instead of relevance.

    1 vulnerability found for dir-842e by dlink

    VAR-202105-0688

    Vulnerability from variot - Updated: 2023-12-18 13:42

    An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack. D-Link Router model DIR-842 There is an observable mismatch vulnerability in the firmware.Information may be tampered with. D-Link DIR-842 is a home router produced by Taiwan D-Link Technology Co., Ltd

    Show details on source website

    {
      "@context": {
        "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
        "affected_products": {
          "@id": "https://www.variotdbs.pl/ref/affected_products"
        },
        "configurations": {
          "@id": "https://www.variotdbs.pl/ref/configurations"
        },
        "credits": {
          "@id": "https://www.variotdbs.pl/ref/credits"
        },
        "cvss": {
          "@id": "https://www.variotdbs.pl/ref/cvss/"
        },
        "description": {
          "@id": "https://www.variotdbs.pl/ref/description/"
        },
        "exploit_availability": {
          "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
        },
        "external_ids": {
          "@id": "https://www.variotdbs.pl/ref/external_ids/"
        },
        "iot": {
          "@id": "https://www.variotdbs.pl/ref/iot/"
        },
        "iot_taxonomy": {
          "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
        },
        "patch": {
          "@id": "https://www.variotdbs.pl/ref/patch/"
        },
        "problemtype_data": {
          "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
        },
        "references": {
          "@id": "https://www.variotdbs.pl/ref/references/"
        },
        "sources": {
          "@id": "https://www.variotdbs.pl/ref/sources/"
        },
        "sources_release_date": {
          "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
        },
        "sources_update_date": {
          "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
        },
        "threat_type": {
          "@id": "https://www.variotdbs.pl/ref/threat_type/"
        },
        "title": {
          "@id": "https://www.variotdbs.pl/ref/title/"
        },
        "type": {
          "@id": "https://www.variotdbs.pl/ref/type/"
        }
      },
      "@id": "https://www.variotdbs.pl/vuln/VAR-202105-0688",
      "affected_products": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
          "data": {
            "@container": "@list"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            },
            "@id": "https://www.variotdbs.pl/ref/sources"
          }
        },
        "data": [
          {
            "model": "dir-842e",
            "scope": "lte",
            "trust": 1.0,
            "vendor": "dlink",
            "version": "3.0.2"
          },
          {
            "model": "dir-842e",
            "scope": "eq",
            "trust": 0.8,
            "vendor": "d link",
            "version": "dir-842e  firmware  3.0.2"
          },
          {
            "model": "dir-842e",
            "scope": "eq",
            "trust": 0.8,
            "vendor": "d link",
            "version": null
          },
          {
            "model": "d-link dir-842",
            "scope": "eq",
            "trust": 0.6,
            "vendor": "d link",
            "version": "3.0.2"
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          }
        ]
      },
      "configurations": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/configurations#",
          "children": {
            "@container": "@list"
          },
          "cpe_match": {
            "@container": "@list"
          },
          "data": {
            "@container": "@list"
          },
          "nodes": {
            "@container": "@list"
          }
        },
        "data": [
          {
            "CVE_data_version": "4.0",
            "nodes": [
              {
                "children": [
                  {
                    "children": [],
                    "cpe_match": [
                      {
                        "cpe23Uri": "cpe:2.3:o:dlink:dir-842e_firmware:*:*:*:*:*:*:*:*",
                        "cpe_name": [],
                        "versionEndIncluding": "3.0.2",
                        "vulnerable": true
                      }
                    ],
                    "operator": "OR"
                  },
                  {
                    "children": [],
                    "cpe_match": [
                      {
                        "cpe23Uri": "cpe:2.3:h:dlink:dir-842e:r1:*:*:*:*:*:*:*",
                        "cpe_name": [],
                        "vulnerable": false
                      }
                    ],
                    "operator": "OR"
                  }
                ],
                "cpe_match": [],
                "operator": "AND"
              }
            ]
          }
        ],
        "sources": [
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          }
        ]
      },
      "cve": "CVE-2021-27342",
      "cvss": {
        "@context": {
          "cvssV2": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
          },
          "cvssV3": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
          },
          "severity": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/cvss/severity#"
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/severity"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            },
            "@id": "https://www.variotdbs.pl/ref/sources"
          }
        },
        "data": [
          {
            "cvssV2": [
              {
                "acInsufInfo": false,
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "author": "NVD",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "exploitabilityScore": 8.6,
                "impactScore": 2.9,
                "integrityImpact": "PARTIAL",
                "obtainAllPrivilege": false,
                "obtainOtherPrivilege": false,
                "obtainUserPrivilege": false,
                "severity": "MEDIUM",
                "trust": 1.0,
                "userInteractionRequired": false,
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              {
                "acInsufInfo": null,
                "accessComplexity": "Medium",
                "accessVector": "Network",
                "authentication": "None",
                "author": "NVD",
                "availabilityImpact": "None",
                "baseScore": 4.3,
                "confidentialityImpact": "None",
                "exploitabilityScore": null,
                "id": "CVE-2021-27342",
                "impactScore": null,
                "integrityImpact": "Partial",
                "obtainAllPrivilege": null,
                "obtainOtherPrivilege": null,
                "obtainUserPrivilege": null,
                "severity": "Medium",
                "trust": 0.9,
                "userInteractionRequired": null,
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              },
              {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "author": "CNVD",
                "availabilityImpact": "NONE",
                "baseScore": 4.3,
                "confidentialityImpact": "NONE",
                "exploitabilityScore": 8.6,
                "id": "CNVD-2022-38537",
                "impactScore": 2.9,
                "integrityImpact": "PARTIAL",
                "severity": "MEDIUM",
                "trust": 0.6,
                "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
                "version": "2.0"
              }
            ],
            "cvssV3": [
              {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "author": "NVD",
                "availabilityImpact": "NONE",
                "baseScore": 5.9,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "exploitabilityScore": 2.2,
                "impactScore": 3.6,
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "trust": 1.0,
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.1"
              },
              {
                "attackComplexity": "High",
                "attackVector": "Network",
                "author": "NVD",
                "availabilityImpact": "None",
                "baseScore": 5.9,
                "baseSeverity": "Medium",
                "confidentialityImpact": "None",
                "exploitabilityScore": null,
                "id": "CVE-2021-27342",
                "impactScore": null,
                "integrityImpact": "High",
                "privilegesRequired": "None",
                "scope": "Unchanged",
                "trust": 0.8,
                "userInteraction": "None",
                "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
                "version": "3.0"
              }
            ],
            "severity": [
              {
                "author": "NVD",
                "id": "CVE-2021-27342",
                "trust": 1.8,
                "value": "MEDIUM"
              },
              {
                "author": "CNVD",
                "id": "CNVD-2022-38537",
                "trust": 0.6,
                "value": "MEDIUM"
              },
              {
                "author": "CNNVD",
                "id": "CNNVD-202105-1167",
                "trust": 0.6,
                "value": "MEDIUM"
              },
              {
                "author": "VULMON",
                "id": "CVE-2021-27342",
                "trust": 0.1,
                "value": "MEDIUM"
              }
            ]
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "description": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/description#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": "An authentication brute-force protection mechanism bypass in telnetd in D-Link Router model DIR-842 firmware version 3.0.2 allows a remote attacker to circumvent the anti-brute-force cool-down delay period via a timing-based side-channel attack. D-Link Router model DIR-842 There is an observable mismatch vulnerability in the firmware.Information may be tampered with. D-Link DIR-842 is a home router produced by Taiwan D-Link Technology Co., Ltd",
        "sources": [
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          }
        ],
        "trust": 2.25
      },
      "external_ids": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
          "data": {
            "@container": "@list"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": [
          {
            "db": "NVD",
            "id": "CVE-2021-27342",
            "trust": 3.9
          },
          {
            "db": "DLINK",
            "id": "SAP10225",
            "trust": 1.7
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988",
            "trust": 0.8
          },
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537",
            "trust": 0.6
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167",
            "trust": 0.6
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342",
            "trust": 0.1
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "id": "VAR-202105-0688",
      "iot": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/iot#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": true,
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          }
        ],
        "trust": 1.00763548
      },
      "iot_taxonomy": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
          "data": {
            "@container": "@list"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": [
          {
            "category": [
              "Network device"
            ],
            "sub_category": null,
            "trust": 0.6
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          }
        ]
      },
      "last_update_date": "2023-12-18T13:42:33.561000Z",
      "patch": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/patch#",
          "data": {
            "@container": "@list"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": [
          {
            "title": "Telnetd\u00a0brute-force\u00a0protection\u00a0bypass",
            "trust": 0.8,
            "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10225"
          },
          {
            "title": "Patch for D-Link DIR-842 telnetd authentication explosion protection mechanism bypass vulnerability",
            "trust": 0.6,
            "url": "https://www.cnvd.org.cn/patchinfo/show/333386"
          },
          {
            "title": "D-Link Router Security vulnerabilities",
            "trust": 0.6,
            "url": "http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=151838"
          },
          {
            "title": "D-Link-CVE-2021-27342-exploit",
            "trust": 0.1,
            "url": "https://github.com/guywhataguy/d-link-cve-2021-27342-exploit "
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "problemtype_data": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": [
          {
            "problemtype": "CWE-203",
            "trust": 1.0
          },
          {
            "problemtype": "Observable discrepancy (CWE-203) [NVD Evaluation ]",
            "trust": 0.8
          }
        ],
        "sources": [
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          }
        ]
      },
      "references": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/references#",
          "data": {
            "@container": "@list"
          },
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": [
          {
            "trust": 2.0,
            "url": "https://nvd.nist.gov/vuln/detail/cve-2021-27342"
          },
          {
            "trust": 1.7,
            "url": "https://github.com/guywhataguy/d-link-cve-2021-27342-exploit/blob/main/dlink-telnet-exploit-cve-2021-27342.py"
          },
          {
            "trust": 1.7,
            "url": "https://blog.whtaguy.com/2021/05/d-link-router-cve-2021-27342.html"
          },
          {
            "trust": 1.7,
            "url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=sap10225"
          },
          {
            "trust": 0.1,
            "url": "https://cwe.mitre.org/data/definitions/203.html"
          },
          {
            "trust": 0.1,
            "url": "https://github.com/guywhataguy/d-link-cve-2021-27342-exploit"
          },
          {
            "trust": 0.1,
            "url": "https://nvd.nist.gov"
          }
        ],
        "sources": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "sources": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#",
          "data": {
            "@container": "@list"
          }
        },
        "data": [
          {
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "sources_release_date": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
          "data": {
            "@container": "@list"
          }
        },
        "data": [
          {
            "date": "2022-05-20T00:00:00",
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "date": "2021-05-17T00:00:00",
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "date": "2022-01-27T00:00:00",
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "date": "2021-05-17T13:15:07.733000",
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "date": "2021-05-17T00:00:00",
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "sources_update_date": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
          "data": {
            "@container": "@list"
          }
        },
        "data": [
          {
            "date": "2022-05-20T00:00:00",
            "db": "CNVD",
            "id": "CNVD-2022-38537"
          },
          {
            "date": "2021-05-24T00:00:00",
            "db": "VULMON",
            "id": "CVE-2021-27342"
          },
          {
            "date": "2022-01-27T08:58:00",
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          },
          {
            "date": "2021-05-24T20:14:05.517000",
            "db": "NVD",
            "id": "CVE-2021-27342"
          },
          {
            "date": "2021-05-25T00:00:00",
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ]
      },
      "threat_type": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": "remote",
        "sources": [
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ],
        "trust": 0.6
      },
      "title": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/title#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": "D-Link\u00a0 Router \u00a0model\u00a0DIR-842\u00a0 Observable mismatch vulnerabilities in firmware",
        "sources": [
          {
            "db": "JVNDB",
            "id": "JVNDB-2021-006988"
          }
        ],
        "trust": 0.8
      },
      "type": {
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/type#",
          "sources": {
            "@container": "@list",
            "@context": {
              "@vocab": "https://www.variotdbs.pl/ref/sources#"
            }
          }
        },
        "data": "other",
        "sources": [
          {
            "db": "CNNVD",
            "id": "CNNVD-202105-1167"
          }
        ],
        "trust": 0.6
      }
    }