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CVE-2018-25235

Status: AnalyzedMedium (6.9)—

NetworkActiv Web Server 4.0 contains a buffer overflow vulnerability in the username field of the Security options that allows local attackers to crash the application by supplying an excessively long string. Attackers can trigger a denial of service by entering a crafted username value exceeding the expected buffer size through the Set username interface.

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).

Affected technologies (1)

Networkactiv — WEB Server

CWEs

References

Raw JSON (NVD)

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  "id": "CVE-2018-25235",
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  "published": "2026-03-30T12:16:17.720",
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      "url": "https://www.networkactiv.com/WebServer.html",
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    },
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      "lang": "es",
      "value": "NetworkActiv Web Server 4.0 contiene una vulnerabilidad de desbordamiento de búfer en el campo de nombre de usuario de las opciones de Seguridad que permite a atacantes locales bloquear la aplicación al proporcionar una cadena excesivamente larga. Los atacantes pueden desencadenar una denegación de servicio al introducir un valor de nombre de usuario manipulado que excede el tamaño de búfer esperado a través de la interfaz Establecer nombre de usuario."
    }
  ],
  "lastModified": "2026-06-17T01:55:02.737",
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