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CVE-2026-6154

Estado: AplazadaAlta (8.9)—

A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os 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 OS en CGI expuesta en red sin autenticación (AV:N, PR:N, UI:N); CWE-77/78 confirman command injection remota. Permite ejecución de código arbitrario en el router.

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 — A7100ruAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-6154",
  "cveTags": [],
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        "ssvcData": {
          "id": "CVE-2026-6154",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
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              "automatable": "yes"
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          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
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          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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        "type": "Secondary",
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          "scope": "UNCHANGED",
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        "cvssData": {
          "Safety": "NOT_DEFINED",
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          "Recovery": "NOT_DEFINED",
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          "Automatable": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
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      "affectedData": [
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          "cpes": [
            "cpe:2.3:o:totolink:a7100ru_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "Totolink",
          "modules": [
            "CGI Handler"
          ],
          "product": "A7100RU",
          "versions": [
            {
              "status": "affected",
              "version": "7.4cu.2313_b20191024"
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  "published": "2026-04-13T04:16:14.993",
  "references": [
    {
      "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_194/README.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/792990",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/357034",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/357034/cti",
      "source": "cna@vuldb.com"
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    {
      "url": "https://www.totolink.net/",
      "source": "cna@vuldb.com"
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      "source": "cna@vuldb.com",
      "description": [
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          "value": "CWE-77"
        },
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A security flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. The affected element is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument wizard results in os command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks."
    }
  ],
  "lastModified": "2026-06-17T11:00:24.163",
  "sourceIdentifier": "cna@vuldb.com"
}