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CVE-2026-7866

Estado: Pendiente de análisisCrítica (10)—

Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.

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.

Stack-based buffer overflow (CWE-121) en servicio remoto Connext Professional (AV:N, sin autenticación ni interacción). Permite ejecución de código arbitrario y potencial DoS por corrupción de memoria.

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

Privileged Account ManagementFilter Network TrafficVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software Installation

Tecnologías afectadas (1)

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

RTI — Connext ProfessionalAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-7866",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-7866",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-22T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 10,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/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": "NONE",
          "subIntegrityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "HIGH",
          "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": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "affectedData": [
        {
          "vendor": "RTI",
          "modules": [
            "Core Libraries"
          ],
          "product": "Connext Professional",
          "versions": [
            {
              "status": "affected",
              "version": "7.4.0",
              "lessThan": "7.7.0.1",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "7.0.0",
              "lessThan": "7.3.1.6",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "6.1.0",
              "lessThan": "6.1.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "6.0.0",
              "lessThan": "6.0.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "5.3.0",
              "lessThan": "5.3.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "5.2.0",
              "lessThan": "5.2.*",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "4.3x",
              "lessThan": "5.1.*",
              "versionType": "custom"
            }
          ],
          "packageURL": "pkg:generic/connext_professional",
          "packageName": "connext_professional",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-09-22T18:17:19.940",
  "references": [
    {
      "url": "https://www.rti.com/vulnerabilities/#cve-2026-7866",
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "3f572a00-62e2-4423-959a-7ea25eff1638",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*."
    }
  ],
  "lastModified": "2026-09-23T04:17:46.510",
  "sourceIdentifier": "3f572a00-62e2-4423-959a-7ea25eff1638"
}