CVE-2021-20154
Estado: ModificadaAlta (7.5)—
Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.77%
- Percentil entre todas las CVEs puntuadas: 54
- 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-319
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-20154",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4.3,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "vulnreport@tenable.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Trendnet AC2600 TEW-827DRU",
"versions": [
{
"status": "affected",
"version": "2.08B01"
}
]
}
]
}
],
"published": "2021-12-30T22:15:08.800",
"references": [
{
"url": "https://www.tenable.com/security/research/tra-2021-54",
"tags": [
"Third Party Advisory"
],
"source": "vulnreport@tenable.com"
},
{
"url": "https://www.tenable.com/security/research/tra-2021-54",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-319"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Trendnet AC2600 TEW-827DRU version 2.08B01 contains an security flaw in the web interface. HTTPS is not enabled on the device by default. This results in cleartext transmission of sensitive information such as passwords."
},
{
"lang": "es",
"value": "Trendnet AC2600 TEW-827DRU versión 2.08B01, contiene un fallo de seguridad en la interfaz web. HTTPS no está habilitado en el dispositivo por defecto. Esto resulta en una transmisión en texto sin cifrar de información confidencial, como las contraseñas."
}
],
"lastModified": "2026-06-17T03:33:21.857",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:trendnet:tew-827dru_firmware:2.08b01:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9C008C1E-18D3-4A0C-97A1-89009310C55B"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:trendnet:tew-827dru:2.0:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "FA6A79A7-46A7-446F-B512-4C75B5C214CE"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "vulnreport@tenable.com"
}