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CVE-2026-5997

Estado: AplazadaAlta (8.9)—

A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used.

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.

Vector CVSS con AV:N, AC:L, PR:N, UI:N indica acceso remoto sin autenticación. CWE-78 (OS Command Injection) en CGI handler expuesto confirma inyección de comandos remota. T1190 por aplicación web expuesta; T1059 por ejecución de comandos OS.

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-2026-5997",
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          "options": [
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              "technicalImpact": "total"
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          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
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          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
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        "cvssData": {
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          "version": "4.0",
          "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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          "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": "2026-04-10T02:16:04.247",
  "references": [
    {
      "url": "https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_169/README.md",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/792045",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/356551",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/356551/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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          "lang": "en",
          "value": "CWE-78"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setLoginPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument admpass results in os command injection. It is possible to launch the attack remotely. The exploit is now public and may be used."
    }
  ],
  "lastModified": "2026-06-17T11:00:07.983",
  "sourceIdentifier": "cna@vuldb.com"
}