CVE-2026-9406
A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.
CVSS
- Versión: 4.0
- Vector: 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
- Puntuación base: 8.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.25%
- Percentil entre todas las CVEs puntuadas: 88
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1190Exploit Public-Facing Applicationinitial access92 % - Impacto principal
T1059Command and Scripting Interpreterexecution95 % - Impacto secundario
T1068Exploitation for Privilege Escalationprivilege escalation75 %
Vector CVSS 4.0 AV:N, PR:N, UI:N confirma acceso remoto sin privilegios ni interacción. CWE-78 (OS command injection) en parámetro 'enable' permite ejecución de comandos. VC:H/VI:H/VA:H indica acceso administrativo, sugiriendo escalada de privilegios.
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
- CWE-77, CWE-78
Referencias
JSON original (NVD)
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"published": "2026-05-25T00:16:22.433",
"references": [
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"url": "https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_338/README.md",
"source": "cna@vuldb.com"
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"url": "https://vuldb.com/submit/813441",
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"value": "A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks."
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"value": "Se ha identificado una debilidad en Totolink A8000RU 7.1cu.643_b20200521. Afectada está la función setRemoteCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web. Ejecutar una manipulación del argumento enable puede llevar a una inyección de comandos del sistema operativo. El ataque puede ser ejecutado remotamente. El exploit ha sido puesto a disposición del público y podría ser utilizado para ataques."
}
],
"lastModified": "2026-07-23T11:10:00.120",
"sourceIdentifier": "cna@vuldb.com"
}