VAR-202502-2734

Vulnerability from variot - Updated: 2025-10-02 23:34

TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the pppoe_dns1 parameter in the formIpv6Setup interface of /bin/boa. TOTOLINK of A3002R Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3002R is a wireless router from China's TOTOLINK Electronics. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack

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-202502-2734",
  "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": "a3002r",
        "scope": "eq",
        "trust": 1.0,
        "vendor": "totolink",
        "version": "1.1.1-b20200824.0128"
      },
      {
        "model": "a3002r",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "totolink",
        "version": null
      },
      {
        "model": "a3002r",
        "scope": null,
        "trust": 0.8,
        "vendor": "totolink",
        "version": null
      },
      {
        "model": "a3002r",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "totolink",
        "version": "a3002r  firmware  1.1.1-b20200824.0128"
      },
      {
        "model": "a3002r v1.1.1-b20200824.0128",
        "scope": null,
        "trust": 0.6,
        "vendor": "totolink",
        "version": null
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "cve": "CVE-2025-25635",
  "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": "SINGLE",
            "author": "CNVD",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.7,
            "confidentialityImpact": "COMPLETE",
            "exploitabilityScore": 5.1,
            "id": "CNVD-2025-05395",
            "impactScore": 10.0,
            "integrityImpact": "COMPLETE",
            "severity": "HIGH",
            "trust": 0.6,
            "vectorString": "AV:A/AC:L/Au:S/C:C/I:C/A:C",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT",
            "author": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "availabilityImpact": "HIGH",
            "baseScore": 8.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "exploitabilityScore": 2.1,
            "id": "CVE-2025-25635",
            "impactScore": 5.9,
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Adjacent Network",
            "author": "OTHER",
            "availabilityImpact": "High",
            "baseScore": 8.0,
            "baseSeverity": "High",
            "confidentialityImpact": "High",
            "exploitabilityScore": null,
            "id": "JVNDB-2025-002949",
            "impactScore": null,
            "integrityImpact": "High",
            "privilegesRequired": "Low",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
            "id": "CVE-2025-25635",
            "trust": 1.0,
            "value": "HIGH"
          },
          {
            "author": "OTHER",
            "id": "JVNDB-2025-002949",
            "trust": 0.8,
            "value": "High"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2025-05395",
            "trust": 0.6,
            "value": "HIGH"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the pppoe_dns1 parameter in the formIpv6Setup interface of /bin/boa. TOTOLINK of A3002R Firmware has a classic buffer overflow vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. TOTOLINK A3002R is a wireless router from China\u0027s TOTOLINK Electronics. Remote attackers can exploit this vulnerability to execute arbitrary code on the system or cause a denial of service attack",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      }
    ],
    "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-2025-25635",
        "trust": 3.2
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395",
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "id": "VAR-202502-2734",
  "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-2025-05395"
      }
    ],
    "trust": 1.0612068799999999
  },
  "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-2025-05395"
      }
    ]
  },
  "last_update_date": "2025-10-02T23:34:42.750000Z",
  "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-120",
        "trust": 1.0
      },
      {
        "problemtype": "Classic buffer overflow (CWE-120) [ others ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "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": 1.4,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2025-25635"
      },
      {
        "trust": 1.0,
        "url": "https://github.com/sunnyyangyaya/cuicuishark-sheep-fishiot/blob/main/totolink/totolink-a3002r-formipv6setup-pppoe_dns1.md"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-03-07T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "date": "2025-04-04T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "date": "2025-02-28T19:15:37.223000",
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2025-03-19T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2025-05395"
      },
      {
        "date": "2025-04-04T05:35:00",
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      },
      {
        "date": "2025-10-02T01:40:13.617000",
        "db": "NVD",
        "id": "CVE-2025-25635"
      }
    ]
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "TOTOLINK\u00a0 of \u00a0A3002R\u00a0 Classic buffer overflow vulnerability in firmware",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2025-002949"
      }
    ],
    "trust": 0.8
  }
}



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…