GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-7187 (GCVE-0-2023-7187)

Vulnerability from cvelistv5 – Published: 2023-12-31 14:00 – Updated: 2024-08-02 08:57
VLAI
Title
Totolink N350RT HTTP POST Request stack-based overflow
Summary
A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login&flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
CWE
  • CWE-121 - Stack-based Buffer Overflow
References
URL Tags
https://vuldb.com/?id.249389 vdb-entrytechnical-description
https://vuldb.com/?ctiid.249389 signaturepermissions-required
https://github.com/jylsec/vuldb/blob/main/TOTOLIN… broken-linkexploit
Impacted products
Vendor Product Version CPE status
Totolink N350RT Affected: 9.3.5u.6139_B20201216
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T08:57:34.113Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "vdb-entry",
              "technical-description",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?id.249389"
          },
          {
            "tags": [
              "signature",
              "permissions-required",
              "x_transferred"
            ],
            "url": "https://vuldb.com/?ctiid.249389"
          },
          {
            "tags": [
              "broken-link",
              "exploit",
              "x_transferred"
            ],
            "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "HTTP POST Request Handler"
          ],
          "product": "N350RT",
          "vendor": "Totolink",
          "versions": [
            {
              "status": "affected",
              "version": "9.3.5u.6139_B20201216"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "jylsec (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login\u0026flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "de",
          "value": "Eine Schwachstelle wurde in Totolink N350RT 9.3.5u.6139_B20201216 ausgemacht. Sie wurde als kritisch eingestuft. Hierbei geht es um eine nicht exakt ausgemachte Funktion der Datei /cgi-bin/cstecgi.cgi?action=login\u0026flag=ie8 der Komponente HTTP POST Request Handler. Durch Manipulieren mit unbekannten Daten kann eine stack-based buffer overflow-Schwachstelle ausgenutzt werden. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 5.2,
            "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121 Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-13T07:31:26.534Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.249389"
        },
        {
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.249389"
        },
        {
          "tags": [
            "broken-link",
            "exploit"
          ],
          "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-12-30T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2023-12-30T00:00:00.000Z",
          "value": "CVE reserved"
        },
        {
          "lang": "en",
          "time": "2023-12-30T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2024-01-22T08:17:41.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Totolink N350RT HTTP POST Request stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2023-7187",
    "datePublished": "2023-12-31T14:00:04.569Z",
    "dateReserved": "2023-12-30T16:42:04.960Z",
    "dateUpdated": "2024-08-02T08:57:34.113Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-7187",
      "date": "2026-09-17",
      "epss": "0.00709",
      "percentile": "0.51872"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:totolink:n350rt_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:*",
                  "matchCriteriaId": "1E783757-7B3B-426D-A7CB-0FEE15BA7EA7",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            },
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:h:totolink:n350rt:-:*:*:*:*:*:*:*",
                  "matchCriteriaId": "4B88D1F1-F7A6-43D5-8DF7-E9425823C7B6",
                  "vulnerable": false
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login\u0026flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
        },
        {
          "lang": "es",
          "value": "Se encontr\u00f3 una vulnerabilidad en Totolink N350RT 9.3.5u.6139_B20201216. Ha sido calificada como cr\u00edtica. Este problema afecta un procesamiento desconocido del archivo /cgi-bin/cstecgi.cgi?action=login\u0026amp;flag=ie8 del componente HTTP POST Request Handler. La manipulaci\u00f3n conduce a un desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria. La explotaci\u00f3n ha sido divulgada al p\u00fablico y puede utilizarse. A esta vulnerabilidad se le asign\u00f3 el identificador VDB-249389. NOTA: Se contact\u00f3 primeramente al proveedor sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna forma."
        }
      ],
      "id": "CVE-2023-7187",
      "lastModified": "2024-11-21T08:45:28.030",
      "metrics": {
        "cvssMetricV2": [
          {
            "acInsufInfo": false,
            "baseSeverity": "MEDIUM",
            "cvssData": {
              "accessComplexity": "LOW",
              "accessVector": "ADJACENT_NETWORK",
              "authentication": "SINGLE",
              "availabilityImpact": "PARTIAL",
              "baseScore": 5.2,
              "confidentialityImpact": "PARTIAL",
              "integrityImpact": "PARTIAL",
              "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P",
              "version": "2.0"
            },
            "exploitabilityScore": 5.1,
            "impactScore": 6.4,
            "obtainAllPrivilege": false,
            "obtainOtherPrivilege": false,
            "obtainUserPrivilege": false,
            "source": "cna@vuldb.com",
            "type": "Secondary",
            "userInteractionRequired": false
          }
        ],
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
              "version": "3.1"
            },
            "exploitabilityScore": 2.1,
            "impactScore": 3.4,
            "source": "cna@vuldb.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "ADJACENT_NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "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"
            },
            "exploitabilityScore": 2.8,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-12-31T14:15:42.383",
      "references": [
        {
          "source": "cna@vuldb.com",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
        },
        {
          "source": "cna@vuldb.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://vuldb.com/?ctiid.249389"
        },
        {
          "source": "cna@vuldb.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://vuldb.com/?id.249389"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Exploit",
            "Third Party Advisory"
          ],
          "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://vuldb.com/?ctiid.249389"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://vuldb.com/?id.249389"
        }
      ],
      "sourceIdentifier": "cna@vuldb.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-121"
            }
          ],
          "source": "cna@vuldb.com",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "modules": [
                  "HTTP POST Request Handler"
                ],
                "product": "N350RT",
                "vendor": "Totolink",
                "versions": [
                  {
                    "status": "affected",
                    "version": "9.3.5u.6139_B20201216"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:totolink:n350rt_firmware:9.3.5u.6139_b20201216:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1E783757-7B3B-426D-A7CB-0FEE15BA7EA7",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:totolink:n350rt:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4B88D1F1-F7A6-43D5-8DF7-E9425823C7B6",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was found in Totolink N350RT 9.3.5u.6139_B20201216. It has been rated as critical. This issue affects some unknown processing of the file /cgi-bin/cstecgi.cgi?action=login\u0026flag=ie8 of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. The exploit has been disclosed to the public and may be used. The identifier VDB-249389 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way."
          },
          {
            "lang": "es",
            "value": "Se encontr\u00f3 una vulnerabilidad en Totolink N350RT 9.3.5u.6139_B20201216. Ha sido calificada como cr\u00edtica. Este problema afecta un procesamiento desconocido del archivo /cgi-bin/cstecgi.cgi?action=login\u0026amp;flag=ie8 del componente HTTP POST Request Handler. La manipulaci\u00f3n conduce a un desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria. La explotaci\u00f3n ha sido divulgada al p\u00fablico y puede utilizarse. A esta vulnerabilidad se le asign\u00f3 el identificador VDB-249389. NOTA: Se contact\u00f3 primeramente al proveedor sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna forma."
          }
        ],
        "id": "CVE-2023-7187",
        "lastModified": "2026-06-17T06:52:16.130",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "ADJACENT_NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 5.2,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:A/AC:L/Au:S/C:P/I:P/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 5.1,
              "impactScore": 6.4,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "cna@vuldb.com",
              "type": "Secondary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 2.1,
              "impactScore": 3.4,
              "source": "cna@vuldb.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "ADJACENT_NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "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"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2023-12-31T14:15:42.383",
        "references": [
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://vuldb.com/?ctiid.249389"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://vuldb.com/?id.249389"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N350RT/1/README.md"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://vuldb.com/?ctiid.249389"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://vuldb.com/?id.249389"
          }
        ],
        "sourceIdentifier": "cna@vuldb.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-121"
              }
            ],
            "source": "cna@vuldb.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-29T00:45:43+00:00",
      "cve": "CVE-2023-7187",
      "id": "CVE-2023-7187",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Totolink N350RT HTTP POST Request stack-based overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-7187.json",
      "version": "3"
    }
  }
}



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…

Detection rules are retrieved from Rulezet.

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…