« Volver al listado

CVE-2025-41764

Estado: AnalizadaCrítica (9.1)—

Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector CVSS AV:N/AC:L/PR:N/UI:N indica acceso remoto sin autenticación. CWE-862 (autorización insuficiente) en endpoint wwwupdate.cgi permite carga de actualizaciones arbitrarias, resultando en modificación de firmware y potencial escalada de privilegios en el dispositivo.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Application Isolation and SandboxingExploit ProtectionUpdate SoftwareVulnerability ScanningThreat Intelligence ProgramPrivileged Account Management

Tecnologías afectadas (1)

Mbs-solutions — Universal Bacnet Router Firmware

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-41764",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-41764",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-09T20:03:13.228044Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "info@cert.vde.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "info@cert.vde.com",
      "affectedData": [
        {
          "vendor": "MBS",
          "product": "UBR-01 Mk II",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "6.0.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "MBS",
          "product": "UBR-02",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "6.0.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "MBS",
          "product": "UBR-LON",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "6.0.1.0",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-03-09T09:16:00.807",
  "references": [
    {
      "url": "https://www.mbs-solutions.de/mbs-2025-0001",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "info@cert.vde.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "info@cert.vde.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to insufficient authorization enforcement, an unauthorized remote attacker can exploit the wwwupdate.cgi endpoint to upload and apply arbitrary updates."
    },
    {
      "lang": "es",
      "value": "Debido a una aplicación insuficiente de la autorización, un atacante remoto no autorizado puede explotar el endpoint wwwupdate.cgi para cargar y aplicar actualizaciones arbitrarias."
    }
  ],
  "lastModified": "2026-06-17T09:23:07.847",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:mbs-solutions:universal_bacnet_router_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D4E2B246-5465-41DB-BD9A-1533A7508790",
              "versionEndExcluding": "6.0.1.0"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:mbs-solutions:ubr-01_mk_ii:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "0D812069-6738-4B82-992B-09BB239783AB"
            },
            {
              "criteria": "cpe:2.3:h:mbs-solutions:ubr-02:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "B21413DE-E1FA-4B5C-A415-F8E70D7090BF"
            },
            {
              "criteria": "cpe:2.3:h:mbs-solutions:ubr-lon:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "E0C67EAC-C633-4037-B2C4-965455FFF2A0"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "info@cert.vde.com"
}