CVE-2026-1949
Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.61%
- Percentil entre todas las CVEs puntuadas: 47
- Fecha de la puntuación: 5/10/2026
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
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1059Command and Scripting Interpreterexecution90 %
AV:N/PR:N/UI:N indica red sin autenticación (T1190). CWE-131 (buffer size calculation) en manejador web expuesto permite ejecución de código arbitrario (T1059) con confidencialidad, integridad y disponibilidad comprometidas (CVSS crítico).
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)
CWE
- CWE-131
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-1949",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-1949",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-04-24T15:26:55.912129Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "759f5e80-c8e1-4224-bead-956d7b33c98b",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/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": 3.9
}
]
},
"affected": [
{
"source": "759f5e80-c8e1-4224-bead-956d7b33c98b",
"affectedData": [
{
"vendor": "DeltaWW",
"product": "AS320T",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.14"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-04-24T06:16:03.883",
"references": [
{
"url": "https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2026-00006_AS320T%20Multiple%20vulnerabilities%20(CVE-2026-1949,%201950,%201951,%201952).pdf",
"tags": [
"Vendor Advisory"
],
"source": "759f5e80-c8e1-4224-bead-956d7b33c98b"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "759f5e80-c8e1-4224-bead-956d7b33c98b",
"description": [
{
"lang": "en",
"value": "CWE-131"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Delta Electronics AS320T has incorrect calculation of the buffer size on the stack in the GET/PUT request handler of the web service."
}
],
"lastModified": "2026-06-17T10:16:46.043",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:deltaww:as320t_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "BC2A0FA6-0941-49B4-BBDD-D4D7E886D4E6",
"versionEndExcluding": "1.16"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:deltaww:as320t:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "207554E0-1FF1-4F4A-AE19-C8F77D3A38D9"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "759f5e80-c8e1-4224-bead-956d7b33c98b"
}