CVE-2026-50101
Naxclow devices use a server-side, per-device relay credential that never rotates and is re-issued to the device on each boot. Because this credential remains valid indefinitely and cannot be reset or revoked by the legitimate owner, any party that obtains it through any exposure path can maintain persistent access to the device’s relay channel. This enables long-term impersonation or interception, even after factory resets or re-onboarding.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Puntuación base: 9.2
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.42%
- Percentil entre todas las CVEs puntuadas: 34
- Fecha de la puntuación: 5/10/2026
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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access90 %
Credencial de retransmisión expuesta permite acceso remoto no autorizado a dispositivos Naxclow sin rotación ni revocación. La credencial obtiene acceso legítimo persistente y habilitaría suplantación de identidad e interceptación de canales.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-262
Referencias
JSON original (NVD)
Mostrar
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"id": "CVE-2026-50101",
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"id": "CVE-2026-50101",
"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
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{
"automatable": "no"
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{
"technicalImpact": "total"
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"version": "2.0.3",
"timestamp": "2026-06-12T19:01:50.334718Z"
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"affected": [
{
"source": "ics-cert@hq.dhs.gov",
"affectedData": [
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"vendor": "Naxclow",
"product": "Smart Doorbell X3",
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"published": "2026-06-12T19:16:29.487",
"references": [
{
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-162-02.json",
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-162-02",
"source": "ics-cert@hq.dhs.gov"
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"description": [
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}
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"descriptions": [
{
"lang": "en",
"value": "Naxclow devices use a server-side, per-device relay credential that never rotates and is re-issued to the device on each boot. Because this credential remains valid indefinitely and cannot be reset or revoked by the legitimate owner, any party that obtains it through any exposure path can maintain persistent access to the device’s relay channel. This enables long-term impersonation or interception, even after factory resets or re-onboarding."
}
],
"lastModified": "2026-06-17T10:57:37.230",
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}