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CVE-2026-71275

Full vulnerability record from the local CVENow database.

Description

OpenBK7231T's http_fn_ota_exec() (src/httpserver/http_fns.c) reflects the `host` query parameter directly into an HTML response via hprintf255(request, "<h3>OTA requested for %s!</h3>", tmpA) with no HTML encoding, allowing a crafted URL such as /ota_exec?host=<script>alert(1)</script> to execute JavaScript in an authenticated admin's browser when they click a malicious link.

Severity
MEDIUM
CVSS score
5.4 (v3.1)
Vulnerability status
Deferred
Source identifier
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Published
2026-08-05 13:24:51.967000
Last modified
2026-10-23 21:10:00.157000
View original CVE JSON
{
  "id": "CVE-2026-71275",
  "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
  "published": "2026-08-05T13:24:51.967",
  "lastModified": "2026-10-23T21:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenBK7231T's http_fn_ota_exec() (src/httpserver/http_fns.c) reflects the `host` query parameter directly into an HTML response via hprintf255(request, \"<h3>OTA requested for %s!</h3>\", tmpA) with no HTML encoding, allowing a crafted URL such as /ota_exec?host=<script>alert(1)</script> to execute JavaScript in an authenticated admin's browser when they click a malicious link."
    },
    {
      "lang": "es",
      "value": "La función http_fn_ota_exec() de OpenBK7231T (src/httpserver/http_fns.c) refleja el parámetro de consulta ’host’ directamente en una respuesta HTML a través de hprintf255(request, “[h3]OTA requested for %s![/h3]”, tmpA) sin codificación HTML, lo que permite que una URL manipulada como /ota_exec?host=[script_tag]alert(1)[/script] ejecute JavaScript en el navegador de un administrador autenticado cuando hacen clic en un enlace malicioso."
    }
  ],
  "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:L/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-05T15:56:16.997038Z",
          "id": "CVE-2026-71275",
          "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-79"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/openshwprojects/OpenBK7231T_App",
      "source": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c"
    }
  ]
}