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CVE-2025-7862

Estado: AnalizadaMedia (5.5)—

A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument telnet_enabled with the input 1 leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the 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).

Tecnologías afectadas (1)

Totolink — T6 Firmware

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-7862",
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          "confidentialityImpact": "PARTIAL"
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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      "affectedData": [
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          "modules": [
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              "version": "4.1.5cu.748_B20211015"
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      "description": [
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          "lang": "en",
          "value": "CWE-287"
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          "lang": "en",
          "value": "CWE-306"
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    {
      "lang": "en",
      "value": "A vulnerability has been found in TOTOLINK T6 4.1.5cu.748_B20211015 and classified as critical. Affected by this vulnerability is the function setTelnetCfg of the file /cgi-bin/cstecgi.cgi of the component Telnet Service. The manipulation of the argument telnet_enabled with the input 1 leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad en TOTOLINK T6 4.1.5cu.748_B20211015, clasificada como crítica. Esta vulnerabilidad afecta a la función \"setTelnetCfg\" del archivo /cgi-bin/cstecgi.cgi del componente Telnet Service. La manipulación del argumento telnet_enabled con la entrada \"1\" provoca la omisión de la autenticación. El ataque puede ejecutarse en remoto. Se ha hecho público el exploit y puede que sea utilizado."
    }
  ],
  "lastModified": "2026-06-17T10:05:48.850",
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