CVE-2017-8156
Estado: ModificadaMedia (6.8)—
The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port. An attacker can access the serial port on the circuit board of the outdoor unit and log in to the CPE without authentication. Successful exploit could allow the attacker to take control over the outdoor unit.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 6.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.29%
- Percentil entre todas las CVEs puntuadas: 20
- 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).
Tecnologías afectadas (1)
CWE
- CWE-306
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2017-8156",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 6.8,
"attackVector": "PHYSICAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 0.9
}
]
},
"affected": [
{
"source": "psirt@huawei.com",
"affectedData": [
{
"vendor": "Huawei Technologies Co., Ltd.",
"product": "B2338-168",
"versions": [
{
"status": "affected",
"version": "V100R001C00"
}
]
}
]
}
],
"published": "2017-11-22T19:29:03.583",
"references": [
{
"url": "http://www.huawei.com/en/psirt/security-advisories/2017/huawei-sa-20170920-01-cpe-en",
"tags": [
"Vendor Advisory"
],
"source": "psirt@huawei.com"
},
{
"url": "http://www.huawei.com/en/psirt/security-advisories/2017/huawei-sa-20170920-01-cpe-en",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-306"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "The outdoor unit of Customer Premise Equipment (CPE) product B2338-168 V100R001C00 has a no authentication vulnerability on the serial port. An attacker can access the serial port on the circuit board of the outdoor unit and log in to the CPE without authentication. Successful exploit could allow the attacker to take control over the outdoor unit."
},
{
"lang": "es",
"value": "La unidad externa del producto CPE (Customer Premise Equipment) B2338-168 V100R001C00 tiene una vulnerabilidad de falta de autenticación en el puerto en serie. Un atacante podría acceder al puerto en serie de la placa base de la unidad externa e iniciar sesión en el CPE sin autenticación. Un exploit exitoso podría permitir que el atacante tome el control de la unidad externa."
}
],
"lastModified": "2026-06-17T01:25:52.790",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:huawei:b2338-168_firmware:v100r001c00:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FD789B64-6402-4D02-80F8-8B4AE3AD4D45"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:huawei:b2338-168:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "1C2FBFF5-2AE7-4F3C-9D1D-111C07F75717"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "psirt@huawei.com"
}