VAR-202506-3401

Vulnerability from variot - Updated: 2025-07-15 23:40

A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. This affects the function Form_Login of the file /formLoginAuth.htm. The manipulation of the argument authCode/goURL leads to missing authentication. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. TOTOLINK of t6 The firmware contains vulnerabilities related to authentication and lack of authentication for critical functions.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK T6 is a wireless dual-band router from China's Jiweng Electronics (TOTOLINK) company.

TOTOLINK T6 version 4.1.5cu.748_B20211015 has an authentication error vulnerability, which stems from the lack of authentication in the parameter authCode/goURL in the file /formLoginAuth.htm. Attackers can exploit this vulnerability to affect confidentiality, integrity, and availability

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-202506-3401",
  "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": "t6",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "totolink",
        "version": "v4.1.5cu.748_b20211015"
      },
      {
        "model": "t6",
        "scope": null,
        "trust": 0.8,
        "vendor": "totolink",
        "version": null
      },
      {
        "model": "t6",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "totolink",
        "version": "t6  firmware  v4.1.5cu.748 b20211015"
      },
      {
        "model": "t6",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "totolink",
        "version": null
      },
      {
        "model": "t6 4.1.5cu.748 b20211015",
        "scope": null,
        "trust": 0.6,
        "vendor": "totolink",
        "version": null
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "cve": "CVE-2025-6916",
  "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": [
          {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "author": "cna@vuldb.com",
            "availabilityImpact": "COMPLETE",
            "baseScore": 8.3,
            "confidentialityImpact": "COMPLETE",
            "exploitabilityScore": 6.5,
            "id": "CVE-2025-6916",
            "impactScore": 10.0,
            "integrityImpact": "COMPLETE",
            "severity": "HIGH",
            "trust": 1.0,
            "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          {
            "acInsufInfo": null,
            "accessComplexity": "Low",
            "accessVector": "Adjacent Network",
            "authentication": "None",
            "author": "OTHER",
            "availabilityImpact": "Complete",
            "baseScore": 8.3,
            "confidentialityImpact": "Complete",
            "exploitabilityScore": null,
            "id": "JVNDB-2025-008137",
            "impactScore": null,
            "integrityImpact": "Complete",
            "obtainAllPrivilege": null,
            "obtainOtherPrivilege": null,
            "obtainUserPrivilege": null,
            "severity": "High",
            "trust": 0.8,
            "userInteractionRequired": null,
            "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "NONE",
            "author": "CNVD",
            "availabilityImpact": "COMPLETE",
            "baseScore": 8.3,
            "confidentialityImpact": "COMPLETE",
            "exploitabilityScore": 6.5,
            "id": "CNVD-2025-15613",
            "impactScore": 10.0,
            "integrityImpact": "COMPLETE",
            "severity": "HIGH",
            "trust": 0.6,
            "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "author": "cna@vuldb.com",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitabilityScore": 2.8,
            "id": "CVE-2025-6916",
            "impactScore": 5.9,
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Adjacent Network",
            "author": "OTHER",
            "availabilityImpact": "High",
            "baseScore": 8.8,
            "baseSeverity": "High",
            "confidentialityImpact": "High",
            "exploitabilityScore": null,
            "id": "JVNDB-2025-008137",
            "impactScore": null,
            "integrityImpact": "High",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "cna@vuldb.com",
            "id": "CVE-2025-6916",
            "trust": 1.0,
            "value": "High"
          },
          {
            "author": "OTHER",
            "id": "JVNDB-2025-008137",
            "trust": 0.8,
            "value": "High"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2025-15613",
            "trust": 0.6,
            "value": "HIGH"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "A vulnerability, which was classified as critical, was found in TOTOLINK T6 4.1.5cu.748_B20211015. This affects the function Form_Login of the file /formLoginAuth.htm. The manipulation of the argument authCode/goURL leads to missing authentication. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. TOTOLINK of t6 The firmware contains vulnerabilities related to authentication and lack of authentication for critical functions.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK T6 is a wireless dual-band router from China\u0027s Jiweng Electronics (TOTOLINK) company. \n\nTOTOLINK T6 version 4.1.5cu.748_B20211015 has an authentication error vulnerability, which stems from the lack of authentication in the parameter authCode/goURL in the file /formLoginAuth.htm. Attackers can exploit this vulnerability to affect confidentiality, integrity, and availability",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      }
    ],
    "trust": 2.16
  },
  "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-2025-6916",
        "trust": 3.2
      },
      {
        "db": "VULDB",
        "id": "314409",
        "trust": 1.8
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613",
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "id": "VAR-202506-3401",
  "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-2025-15613"
      }
    ],
    "trust": 1.09017543
  },
  "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-2025-15613"
      }
    ]
  },
  "last_update_date": "2025-07-15T23:40:36.564000Z",
  "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-306",
        "trust": 1.0
      },
      {
        "problemtype": "CWE-287",
        "trust": 1.0
      },
      {
        "problemtype": "Inappropriate authentication (CWE-287) [ others ]",
        "trust": 0.8
      },
      {
        "problemtype": " Lack of authentication for critical features (CWE-306) [ others ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "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": 1.8,
        "url": "https://github.com/c0nyy/iot_vuln/blob/main/totolink%20t6%20vuln.md"
      },
      {
        "trust": 1.8,
        "url": "https://vuldb.com/?id.314409"
      },
      {
        "trust": 1.8,
        "url": "https://vuldb.com/?submit.605101"
      },
      {
        "trust": 1.8,
        "url": "https://www.totolink.net/"
      },
      {
        "trust": 1.4,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2025-6916"
      },
      {
        "trust": 1.0,
        "url": "https://vuldb.com/?ctiid.314409"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-07-08T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "date": "2025-07-08T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "date": "2025-06-30T17:15:34.593000",
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-07-14T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-15613"
      },
      {
        "date": "2025-07-08T02:14:00",
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      },
      {
        "date": "2025-07-07T14:41:39.973000",
        "db": "NVD",
        "id": "CVE-2025-6916"
      }
    ]
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "TOTOLINK\u00a0 of \u00a0t6\u00a0 Authentication vulnerability in firmware",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-008137"
      }
    ],
    "trust": 0.8
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

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…

Detection rules are retrieved from Rulezet.

Loading…

Loading…