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CVE-2026-19348

Estado: AplazadaAlta (8.9)—

A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfilter_conf&function=set&act=add&name=test&enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. 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).

🎯 Técnicas ATT&CK

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

Inyección de comandos en parámetro remoto (sprintf en /protocol.csp) sin autenticación ni interacción. AV:N/PR:N/UI:N confirma T1190. CWE-74/77 (injección) con ejecución resultante (T1059).

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

Tecnologías afectadas (1)

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

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-19348",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
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          "version": "2.0.3",
          "timestamp": "2026-08-10T20:56:16.459428Z"
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          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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        "cvssData": {
          "scope": "UNCHANGED",
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          "Automatable": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "affected": [
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      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:shenzhen_aitemi:m300_wi-fi_repeater:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Shenzhen Aitemi",
          "product": "M300 Wi-Fi Repeater",
          "versions": [
            {
              "status": "affected",
              "version": "r0-ea7890a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-08-09T11:16:52.743",
  "references": [
    {
      "url": "https://github.com/IEATASICS/m300-repeater-bugs",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-19348",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/865682",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/865683",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/submit/865684",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/387184",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/387184/cti",
      "source": "cna@vuldb.com"
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  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        },
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Shenzhen Aitemi M300 Wi-Fi Repeater r0-ea7890a. Impacted is the function sprintf of the file /protocol.csp?fname=net&opt=smacfilter_conf&function=set&act=add&name=test&enable=1. Performing a manipulation of the argument enable/name/mac results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks."
    }
  ],
  "lastModified": "2026-08-12T20:59:21.023",
  "sourceIdentifier": "cna@vuldb.com"
}