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CVE-2026-9386

Status: DeferredHigh (8.9)—

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Vector CVSS AV:N/PR:N/UI:N indica acceso remoto sin privilegios ni interacción. CWE-78 (OS Command Injection) en interfaz web expuesta (/cgi-bin/cstecgi.cgi) permite inyección de comandos del sistema operativo.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

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

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Totolink — A8000ruAI

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-9386",
  "cveTags": [],
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          "options": [
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  "affected": [
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      "affectedData": [
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          "modules": [
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  "references": [
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      "url": "https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_333/README.md",
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      "url": "https://vuldb.com/submit/813432",
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      "url": "https://vuldb.com/vuln/365349",
      "source": "cna@vuldb.com"
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      "url": "https://vuldb.com/vuln/365349/cti",
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          "value": "CWE-77"
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          "lang": "en",
          "value": "CWE-78"
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  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used."
    },
    {
      "lang": "es",
      "value": "Se identificó una vulnerabilidad en Totolink A8000RU 7.1cu.643_b20200521. La función setLanguageCfg del archivo /cgi-bin/cstecgi.cgi del componente Interfaz de Gestión Web está afectada. Dicha manipulación del argumento lang conduce a una inyección de comandos del sistema operativo. El ataque puede realizarse de forma remota. El exploit está disponible públicamente y podría ser utilizado."
    }
  ],
  "lastModified": "2026-07-23T11:10:00.120",
  "sourceIdentifier": "cna@vuldb.com"
}