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CVE-2026-12847

Estado: AplazadaCrítica (10)—

GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and RS-485.

DVRSearch is a service running by default on the IOBox listening for UDP messages on port 10001. Any user on the network can send messages to this service and interact with it.

Upon receiving a UDP message, the server reads at most 1460 bytes into a local buffer and a pointer to the buffer is stored in a global variable:

#### Gateway field stack overflow

The following code is vulnerable to a stack overflow that is attacker-controlled:

Detalles técnicos trazas, registros y código del informe original
      v7 = strlen(g_network_config->gateway);

      memcpy(&reply_buf[216], g_network_config->gateway, v7);

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.

AV:N/AC:L/PR:N sin UI indica red sin autenticación. Stack overflow en servicio UDP expuesto (puerto 10001) permite ejecución de código arbitrario remoto en dispositivo embebido.

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 ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Tecnologías afectadas (1)

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

Geovision — Gv-i O BOX 4EAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-12847",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-12847",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-24T13:16:28.900447Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "0df08a0e-a200-4957-9bb0-084f562506f9",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "0df08a0e-a200-4957-9bb0-084f562506f9",
      "affectedData": [
        {
          "vendor": "GeoVision Inc.",
          "product": "GV-I/O Box 4E",
          "versions": [
            {
              "status": "affected",
              "version": "V2.09"
            },
            {
              "status": "unaffected",
              "version": "v2.12"
            }
          ],
          "platforms": [
            "Linux"
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-06-24T05:17:26.587",
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2026-2377",
      "source": "0df08a0e-a200-4957-9bb0-084f562506f9"
    },
    {
      "url": "https://www.geovision.com.tw/cyber_security.php",
      "source": "0df08a0e-a200-4957-9bb0-084f562506f9"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "0df08a0e-a200-4957-9bb0-084f562506f9",
      "description": [
        {
          "lang": "en",
          "value": "CWE-121"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "GV-I/O Box 4E is a smart embedded device with 4 input and 4 relays output that can be controlled over Ethernet and RS-485.\n\nDVRSearch is a service running by default on the IOBox listening for UDP messages on port 10001. Any user on the network can send messages to this service and interact with it. \n\n\n\nUpon receiving a UDP message,  the server reads at most 1460 bytes into a local buffer and a pointer to the buffer is stored in a global variable:\n\n\n#### Gateway field stack overflow\n\nThe following code is vulnerable to a stack overflow that is attacker-controlled:\n\n\n\n      v7 = strlen(g_network_config->gateway);\n\n      memcpy(&reply_buf[216], g_network_config->gateway, v7);"
    }
  ],
  "lastModified": "2026-06-25T14:02:35.347",
  "sourceIdentifier": "0df08a0e-a200-4957-9bb0-084f562506f9"
}