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

CVE-2026-3398 (GCVE-0-2026-3398)

Vulnerability from cvelistv5 – Published: 2026-03-01 22:02 – Updated: 2026-03-02 17:42
VLAI
Title
Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow
Summary
A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-02 17:36 UTC
CWE
References
URL Tags
https://vuldb.com/?id.348293 vdb-entrytechnical-description
https://vuldb.com/?ctiid.348293 signaturepermissions-required
https://vuldb.com/?submit.759630 third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/F… exploit
https://www.tenda.com.cn/ product
Impacted products
Vendor Product Version CPE status
Tenda F453 Affected: 1.0.0.3
    cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-3398",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-02T17:36:40.919984Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-02T17:42:24.382Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "httpd"
          ],
          "product": "F453",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0.3"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "LtzHust2 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 9,
            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-01T22:02:09.643Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-348293 | Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.348293"
        },
        {
          "name": "VDB-348293 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.348293"
        },
        {
          "name": "Submit #759630 | Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.759630"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-03-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-03-01T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-03-01T07:39:51.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-3398",
    "datePublished": "2026-03-01T22:02:09.643Z",
    "dateReserved": "2026-03-01T06:34:42.518Z",
    "dateUpdated": "2026-03-02T17:42:24.382Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-3398",
      "date": "2026-09-18",
      "epss": "0.00632",
      "percentile": "0.48863"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "httpd"
                ],
                "product": "F453",
                "vendor": "Tenda",
                "versions": [
                  {
                    "status": "affected",
                    "version": "1.0.0.3"
                  }
                ]
              }
            ],
            "source": "cna@vuldb.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "66CB876C-7D99-4A12-91E3-FE153293C3F2",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:h:tenda:f453:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0B2C42B3-1621-4323-BAA4-4B71C33F7C4B",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized."
          },
          {
            "lang": "es",
            "value": "Se ha descubierto una vulnerabilidad en Tenda F453 1.0.0.3, la cual afecta a la funci\u00f3n fromAdvSetWan del archivo /goform/AdvSetWan del componente httpd. Al manipular el argumento wanmode/PPPOEPassword se puede provocar un desbordamiento de b\u00fafer. El ataque puede ser lanzado en remoto. El exploit ha sido divulgado p\u00fablicamente y puede ser utilizado."
          }
        ],
        "id": "CVE-2026-3398",
        "lastModified": "2026-06-17T10:43:31.983",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "SINGLE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 9.0,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 8.0,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "cna@vuldb.com",
              "type": "Secondary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 5.9,
              "source": "cna@vuldb.com",
              "type": "Secondary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 7.4,
                "baseSeverity": "HIGH",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "PROOF_OF_CONCEPT",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "LOW",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "cna@vuldb.com",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-3398",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-02T17:36:40.919984Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-03-01T22:16:17.270",
        "references": [
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Permissions Required",
              "VDB Entry"
            ],
            "url": "https://vuldb.com/?ctiid.348293"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://vuldb.com/?id.348293"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "https://vuldb.com/?submit.759630"
          },
          {
            "source": "cna@vuldb.com",
            "tags": [
              "Product"
            ],
            "url": "https://www.tenda.com.cn/"
          }
        ],
        "sourceIdentifier": "cna@vuldb.com",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              },
              {
                "lang": "en",
                "value": "CWE-120"
              }
            ],
            "source": "cna@vuldb.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T07:37:01+00:00",
      "cve": "CVE-2026-3398",
      "id": "CVE-2026-3398",
      "initial_release_date": "2026-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-3398.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-3398",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-03-02T17:36:40.919984Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-02T17:40:22.390Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "cpes": [
                "cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"
              ],
              "modules": [
                "httpd"
              ],
              "product": "F453",
              "vendor": "Tenda",
              "versions": [
                {
                  "status": "affected",
                  "version": "1.0.0.3"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "reporter",
              "value": "LtzHust2 (VulDB User)"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "A vulnerability was determined in Tenda F453 1.0.0.3. Affected is the function fromAdvSetWan of the file /goform/AdvSetWan of the component httpd. Executing a manipulation of the argument wanmode/PPPOEPassword can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized."
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "baseScore": 8.7,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
                "version": "4.0"
              }
            },
            {
              "cvssV3_1": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
                "version": "3.1"
              }
            },
            {
              "cvssV3_0": {
                "baseScore": 8.8,
                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
                "version": "3.0"
              }
            },
            {
              "cvssV2_0": {
                "baseScore": 9,
                "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
                "version": "2.0"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-120",
                  "description": "Buffer Overflow",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            },
            {
              "descriptions": [
                {
                  "cweId": "CWE-119",
                  "description": "Memory Corruption",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-03-01T22:02:09.643Z",
            "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
            "shortName": "VulDB"
          },
          "references": [
            {
              "name": "VDB-348293 | Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow",
              "tags": [
                "vdb-entry",
                "technical-description"
              ],
              "url": "https://vuldb.com/?id.348293"
            },
            {
              "name": "VDB-348293 | CTI Indicators (IOB, IOC, IOA)",
              "tags": [
                "signature",
                "permissions-required"
              ],
              "url": "https://vuldb.com/?ctiid.348293"
            },
            {
              "name": "Submit #759630 | Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer",
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://vuldb.com/?submit.759630"
            },
            {
              "tags": [
                "exploit"
              ],
              "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_82/README.md"
            },
            {
              "tags": [
                "product"
              ],
              "url": "https://www.tenda.com.cn/"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2026-03-01T00:00:00.000Z",
              "value": "Advisory disclosed"
            },
            {
              "lang": "en",
              "time": "2026-03-01T01:00:00.000Z",
              "value": "VulDB entry created"
            },
            {
              "lang": "en",
              "time": "2026-03-01T07:39:51.000Z",
              "value": "VulDB entry last update"
            }
          ],
          "title": "Tenda F453 httpd AdvSetWan fromAdvSetWan buffer overflow"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "assignerShortName": "VulDB",
        "cveId": "CVE-2026-3398",
        "datePublished": "2026-03-01T22:02:09.643Z",
        "dateReserved": "2026-03-01T06:34:42.518Z",
        "dateUpdated": "2026-03-02T17:42:24.382Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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…