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CVE-2025-6893

Estado: AplazadaCrítica (9.3)—

An Execution with Unnecessary Privileges vulnerability has been identified in Moxa’s network security appliances and routers. A flaw in broken access control has been identified in the /api/v1/setting/data endpoint of the affected device. This flaw allows a low-privileged authenticated user to call the API without the required permissions, thereby gaining the ability to access or modify system configuration data. Successful exploitation may lead to privilege escalation, allowing the attacker to access or modify sensitive system settings. While the overall impact is high, there is no loss of confidentiality or integrity within any subsequent systems.

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 con AV:N/PR:L permite acceso remoto con privilegios mínimos a endpoint API vulnerable (/api/v1/setting). Escalada a configuración del sistema (T1068) y acceso a datos sensibles (T1005) confirmados en descripción.

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

Threat Intelligence ProgramApplication Isolation and SandboxingExploit ProtectionUpdate SoftwareVulnerability ScanningPrivileged Account Management

Tecnologías afectadas (2)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Moxa — Network Security AppliancesAIMoxa — RoutersAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-6893",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-6893",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-10-17T13:45:02.333491Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "psirt@moxa.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 9.3,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "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:H/E:X/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": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "subIntegrityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "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": "psirt@moxa.com",
      "affectedData": [
        {
          "vendor": "Moxa",
          "product": "EDR-G9010 Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
              "lessThanOrEqual": "3.14"
            },
            {
              "status": "unaffected",
              "version": "3.21",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "EDR-8010 Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
              "lessThanOrEqual": "3.17"
            },
            {
              "status": "unaffected",
              "version": "3.21",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "EDF-G1002-BP Series",
          "versions": [
            {
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              "versionType": "custom",
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            },
            {
              "status": "unaffected",
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            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "TN-4900 Series",
          "versions": [
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            },
            {
              "status": "unaffected",
              "version": "3.21",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "NAT-102 Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
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            },
            {
              "status": "unaffected",
              "version": "3.21",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "NAT-108 Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
              "lessThanOrEqual": "3.16"
            },
            {
              "status": "unaffected",
              "version": "3.21",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "Moxa",
          "product": "OnCell G4302-LTE4 Series",
          "versions": [
            {
              "status": "affected",
              "version": "1.0",
              "versionType": "custom",
              "lessThanOrEqual": "3.13"
            },
            {
              "status": "unaffected",
              "version": "3.21.0",
              "versionType": "custom"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-10-17T03:15:36.380",
  "references": [
    {
      "url": "https://www.moxa.com/en/support/product-support/security-advisory/mpsa-258121-cve-2025-6892,-cve-2025-6893,-cve-2025-6894,-cve-2025-6949,-cve-2025-6950-multiple-vulnerabilities-in-netwo",
      "source": "psirt@moxa.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@moxa.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-250"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An Execution with Unnecessary Privileges vulnerability has been identified in Moxa’s network security appliances and routers. A flaw in broken access control has been identified in the /api/v1/setting/data endpoint of the affected device. This flaw allows a low-privileged authenticated user to call the API without the required permissions, thereby gaining the ability to access or modify system configuration data. Successful exploitation may lead to privilege escalation, allowing the attacker to access or modify sensitive system settings. While the overall impact is high, there is no loss of confidentiality or integrity within any subsequent systems."
    }
  ],
  "lastModified": "2026-06-17T10:02:48.880",
  "sourceIdentifier": "psirt@moxa.com"
}