CVE-2026-96274
In Baicells Nova 430H, an unauthenticated device within radio range can send a malformed uplink message during connection setup that contains an invalid NAS payload. Because the eNodeB does not properly validate this payload, it forwards the message to the core network, which can trigger a shutdown of the signaling association for the cell. This results in a temporary service disruption until the eNodeB and core network re-establish connectivity.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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: 8.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
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
T1210Exploitation of Remote Serviceslateral movement75 % - Impacto principal
T1499.004Application or System Exploitationimpact80 %
Explotación de servicio de radio (eNodeB) sin autenticación en red adyacente (AV:A). Impacto: negación de servicio por desconexión de asociación de señalización (VI:H, SA:H en CVSS).
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-248
Referencias
JSON original (NVD)
Mostrar
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"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
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"automatable": "no"
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{
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"version": "2.0.3",
"timestamp": "2026-09-29T20:57:13.860311Z"
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"affected": [
{
"source": "ics-cert@hq.dhs.gov",
"affectedData": [
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"product": "Nova 430H eNodeB (model pBS3101SH)",
"versions": [
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"version": "0",
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"lessThanOrEqual": "BaiBLQ_3.0.12"
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"published": "2026-09-29T20:17:31.610",
"references": [
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-272-04",
"source": "ics-cert@hq.dhs.gov"
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"value": "In Baicells Nova 430H, an unauthenticated device within radio range can send a malformed uplink message during connection setup that contains an invalid NAS payload. Because the eNodeB does not properly validate this payload, it forwards the message to the core network, which can trigger a shutdown of the signaling association for the cell. This results in a temporary service disruption until the eNodeB and core network re-establish connectivity."
}
],
"lastModified": "2026-09-29T22:19:05.720",
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}