CVE-2026-77975
The affected Ebyte
product exports administrative credentials and other sensitive configuration information without adequate protection. An unauthenticated attacker on the adjacent network who can obtain an exported configuration file could recover valid credentials and use them to access the device or similarly configured systems.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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: 7.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- 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
T1552.001Credentials In Filescredential access85 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access80 %
AV:A (red adyacente) sin interacción del usuario sugiere T1210. La vulnerabilidad expone credenciales administrativas sin protección (T1552.001), permitiendo acceso con cuentas válidas (T1078.001).
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-312
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-77975",
"cveTags": [],
"metrics": {
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"ssvcData": {
"id": "CVE-2026-77975",
"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-31T15:51:22.810136Z"
}
}
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"cvssMetricV31": [
{
"type": "Secondary",
"source": "ics-cert@hq.dhs.gov",
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"integrityImpact": "NONE",
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"attackComplexity": "LOW",
"availabilityImpact": "NONE",
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"confidentialityImpact": "HIGH"
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"impactScore": 3.6,
"exploitabilityScore": 2.8
}
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"cvssMetricV40": [
{
"type": "Secondary",
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"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 7.1,
"Automatable": "NOT_DEFINED",
"attackVector": "ADJACENT",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
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"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "ics-cert@hq.dhs.gov",
"affectedData": [
{
"vendor": "Ebyte",
"product": "Ebyte NE2-D11 Firmware",
"versions": [
{
"status": "affected",
"version": "9013-2-17"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-08-31T16:19:13.190",
"references": [
{
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-237-06.json",
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-237-06",
"source": "ics-cert@hq.dhs.gov"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "ics-cert@hq.dhs.gov",
"description": [
{
"lang": "en",
"value": "CWE-312"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The affected Ebyte \n\nproduct exports administrative credentials and other \nsensitive configuration information without adequate protection. An \nunauthenticated attacker on the adjacent network who can obtain an \nexported configuration file could recover valid credentials and use them\n to access the device or similarly configured systems."
}
],
"lastModified": "2026-09-01T17:17:35.243",
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}