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CVE-2026-71273

Full vulnerability record from the local CVENow database.

Description

OpenBK7231T's /cfg_wifi_set endpoint (src/httpserver/http_fns.c) accepts configuration changes via a plain GET request with no CSRF token. If the parameter is absent from the request, an else-branch silently clears the device's web admin password to an empty string.

Severity
MEDIUM
CVSS score
6.5 (v3.1)
Vulnerability status
Deferred
Source identifier
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Published
2026-08-05 13:24:51.720000
Last modified
2026-10-24 15:10:00.190000
View original CVE JSON
{
  "id": "CVE-2026-71273",
  "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
  "published": "2026-08-05T13:24:51.720",
  "lastModified": "2026-10-24T15:10:00.190",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenBK7231T's /cfg_wifi_set endpoint (src/httpserver/http_fns.c) accepts configuration changes via a plain GET request with no CSRF token. If the parameter is absent from the request, an else-branch silently clears the device's web admin password to an empty string."
    },
    {
      "lang": "es",
      "value": "El endpoint /cfg_wifi_set de OpenBK7231T (src/httpserver/http_fns.c) acepta cambios de configuración a través de una solicitud GET simple sin token CSRF. Si el parámetro ’web_admin_password_enabled’ está ausente de la solicitud, una rama ’else’ borra silenciosamente la contraseña de administrador web del dispositivo, dejándola como una cadena vacía. Una carga útil CSRF de un solo clic (por ejemplo, una etiqueta ’[img]’ que apunta a /cfg_wifi_set con nuevos parámetros de SSID/contraseña y ’web_admin_password_enabled’ omitido), visitada por el navegador de un administrador autenticado, tanto secuestra la configuración WiFi del dispositivo como deshabilita su protección de contraseña web."
    }
  ],
  "affected": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "affectedData": [
        {
          "vendor": "openshwprojects",
          "product": "OpenBK7231T_App",
          "defaultStatus": "unaffected",
          "programFiles": [
            "src/httpserver/http_fns.c"
          ],
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "*",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-05T15:59:36.325597Z",
          "id": "CVE-2026-71273",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/openshwprojects/OpenBK7231T_App",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    },
    {
      "url": "https://github.com/openshwprojects/OpenBK7231T_App/blob/main/src/httpserver/http_fns.c",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    }
  ]
}