« Volver al listado

CVE-2026-5526

Estado: AnalizadaMedia (5.5)—

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-5526",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-5526",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-04-06T14:28:18.964474Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.3,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.4,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "cna@vuldb.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 5.5,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "cna@vuldb.com",
      "affectedData": [
        {
          "vendor": "Tenda",
          "product": "4G03 Pro",
          "versions": [
            {
              "status": "affected",
              "version": "1.0"
            },
            {
              "status": "affected",
              "version": "1.1"
            },
            {
              "status": "affected",
              "version": "04.03.01.0"
            },
            {
              "status": "affected",
              "version": "04.03.01.1"
            },
            {
              "status": "affected",
              "version": "04.03.01.2"
            },
            {
              "status": "affected",
              "version": "04.03.01.3"
            },
            {
              "status": "affected",
              "version": "04.03.01.4"
            },
            {
              "status": "affected",
              "version": "04.03.01.5"
            },
            {
              "status": "affected",
              "version": "04.03.01.6"
            },
            {
              "status": "affected",
              "version": "04.03.01.7"
            },
            {
              "status": "affected",
              "version": "04.03.01.8"
            },
            {
              "status": "affected",
              "version": "04.03.01.9"
            },
            {
              "status": "affected",
              "version": "04.03.01.10"
            },
            {
              "status": "affected",
              "version": "04.03.01.11"
            },
            {
              "status": "affected",
              "version": "04.03.01.12"
            },
            {
              "status": "affected",
              "version": "04.03.01.13"
            },
            {
              "status": "affected",
              "version": "04.03.01.14"
            },
            {
              "status": "affected",
              "version": "04.03.01.15"
            },
            {
              "status": "affected",
              "version": "04.03.01.16"
            },
            {
              "status": "affected",
              "version": "04.03.01.17"
            },
            {
              "status": "affected",
              "version": "04.03.01.18"
            },
            {
              "status": "affected",
              "version": "04.03.01.19"
            },
            {
              "status": "affected",
              "version": "04.03.01.20"
            },
            {
              "status": "affected",
              "version": "04.03.01.21"
            },
            {
              "status": "affected",
              "version": "04.03.01.22"
            },
            {
              "status": "affected",
              "version": "04.03.01.23"
            },
            {
              "status": "affected",
              "version": "04.03.01.24"
            },
            {
              "status": "affected",
              "version": "04.03.01.25"
            },
            {
              "status": "affected",
              "version": "04.03.01.26"
            },
            {
              "status": "affected",
              "version": "04.03.01.27"
            },
            {
              "status": "affected",
              "version": "04.03.01.28"
            },
            {
              "status": "affected",
              "version": "04.03.01.29"
            },
            {
              "status": "affected",
              "version": "04.03.01.30"
            },
            {
              "status": "affected",
              "version": "04.03.01.31"
            },
            {
              "status": "affected",
              "version": "04.03.01.32"
            },
            {
              "status": "affected",
              "version": "04.03.01.33"
            },
            {
              "status": "affected",
              "version": "04.03.01.34"
            },
            {
              "status": "affected",
              "version": "04.03.01.35"
            },
            {
              "status": "affected",
              "version": "04.03.01.36"
            },
            {
              "status": "affected",
              "version": "04.03.01.37"
            },
            {
              "status": "affected",
              "version": "04.03.01.38"
            },
            {
              "status": "affected",
              "version": "04.03.01.39"
            },
            {
              "status": "affected",
              "version": "04.03.01.40"
            },
            {
              "status": "affected",
              "version": "04.03.01.41"
            },
            {
              "status": "affected",
              "version": "04.03.01.42"
            },
            {
              "status": "affected",
              "version": "04.03.01.43"
            },
            {
              "status": "affected",
              "version": "04.03.01.44"
            },
            {
              "status": "affected",
              "version": "04.03.01.45"
            },
            {
              "status": "affected",
              "version": "04.03.01.46"
            },
            {
              "status": "affected",
              "version": "04.03.01.47"
            },
            {
              "status": "affected",
              "version": "04.03.01.48"
            },
            {
              "status": "affected",
              "version": "04.03.01.49"
            },
            {
              "status": "affected",
              "version": "04.03.01.50"
            },
            {
              "status": "affected",
              "version": "04.03.01.51"
            },
            {
              "status": "affected",
              "version": "04.03.01.52"
            },
            {
              "status": "affected",
              "version": "04.03.01.53"
            },
            {
              "status": "affected",
              "version": "192.168.0.0"
            },
            {
              "status": "affected",
              "version": "192.168.0.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-04-04T23:16:44.290",
  "references": [
    {
      "url": "https://vuldb.com/submit/782052",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355279",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/355279/cti",
      "tags": [
        "Permissions Required",
        "VDB Entry"
      ],
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://www.tenda.com.cn/",
      "tags": [
        "Product"
      ],
      "source": "cna@vuldb.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-266"
        },
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en Tenda 4G03 Pro hasta 1.0/1.1/04.03.01.53/192.168.0.1. Afectada por esta vulnerabilidad es una funcionalidad desconocida del archivo /bin/httpd. La manipulación resulta en controles de acceso inadecuados. El ataque puede realizarse de forma remota. El exploit ha sido publicado al público y puede ser utilizado para ataques."
    }
  ],
  "lastModified": "2026-07-24T09:10:00.153",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:tenda:4g03_pro_firmware:04.03.01.53:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1170A463-16F3-4CFF-9768-F2DEA5E3C9F1"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:tenda:4g03_pro:1.0:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "72ECCBAF-2C5B-4A2D-B1DE-FFC37382A42D"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "cna@vuldb.com"
}