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"
}
]
}