CVE-2021-31658
Estado: ModificadaAlta (8.1)—
TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- Puntuación base: 8.1
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.02%
- Percentil entre todas las CVEs puntuadas: 62
- 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 (2)
CWE
- CWE-129
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-31658",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "MEDIUM",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 4.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8.6,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 5.2,
"exploitabilityScore": 2.8
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2021-06-10T15:15:09.420",
"references": [
{
"url": "https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658",
"tags": [
"Exploit",
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-129"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the \"device description\" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased."
},
{
"lang": "es",
"value": "TP-Link TL-SG2005, TL-SG2008, etc. versiones 1.0.0 Build 20180529 Rel.40524 está afectado por un error de índice de matriz. La interfaz que proporciona la función \"device description\" sólo juzga la longitud de los datos recibidos, y no filtra los caracteres especiales. Esta vulnerabilidad causará que la aplicación se bloquee y toda la información de configuración del dispositivo será borrada"
}
],
"lastModified": "2026-07-09T01:16:53.167",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:tp-link:tl-sg2005_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E8150744-4213-428D-8411-F3A506FBE20D"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:tp-link:tl-sg2005:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "73489BCA-57B8-4418-A61A-BF4599F575D8"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:tp-link:tl-sg2008_firmware:1.0.0:build_20180529_rel.40524:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "77DD8C98-211B-4E6B-AFAE-1D49D7EA8574"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:tp-link:tl-sg2008:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "7B0AC813-1BE8-48D0-AD7C-AA443FB307E6"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}