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CVE-2026-9432

Estado: AplazadaAlta (8.9)—

A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched 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.

AV:N/PR:N/UI:N permite explotación remota sin autenticación (T1190). CWE-78 (OS command injection) en parámetro bgProtection permite ejecución de comandos arbitrarios (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

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.

Totolink — A8000ruAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-9432",
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          "options": [
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      "affectedData": [
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            "cpe:2.3:o:totolink:a8000ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Totolink",
          "modules": [
            "Web Management Interface"
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          "product": "A8000RU",
          "versions": [
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              "status": "affected",
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  "published": "2026-05-25T07:16:17.730",
  "references": [
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      "url": "https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_353/README.md",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/submit/813905",
      "source": "cna@vuldb.com"
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    {
      "url": "https://vuldb.com/vuln/365413",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/365413/cti",
      "source": "cna@vuldb.com"
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      "url": "https://www.totolink.net/",
      "source": "cna@vuldb.com"
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          "value": "CWE-77"
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          "value": "CWE-78"
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    {
      "lang": "en",
      "value": "A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setWiFiAdvancedCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument bgProtection results in os command injection. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto una falla de seguridad en Totolink A8000RU 7.1cu.643_b20200521. Esta vulnerabilidad afecta a la función setWiFiAdvancedCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. La manipulación del argumento bgProtection resulta en inyección de comandos del sistema operativo. El ataque puede lanzarse remotamente. El exploit ha sido publicado y puede utilizarse para ataques."
    }
  ],
  "lastModified": "2026-07-23T11:10:00.120",
  "sourceIdentifier": "cna@vuldb.com"
}