FKIE_CVE-2026-40639
Vulnerability from fkie_nvd - Published: 2026-06-09 19:17 - Updated: 2026-07-23 09:10
Severity
Summary
Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Dell Edge Gateway 3000",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.26.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Dell Edge Gateway 5000",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.36.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "DELL EMBEDDED PC 3000",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.32.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "DELL EMBEDDED PC 5000",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.33.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Dell Precision 3630 Tower",
"vendor": "Dell",
"versions": [
{
"lessThan": "2.40.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Dell Precision 3930 Rack",
"vendor": "Dell",
"versions": [
{
"lessThan": "2.43.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Latitude 7220 Rugged Extreme",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.51.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Latitude Rugged 5420",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.42.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Latitude Rugged 5424",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.42.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Latitude Rugged 7220EX",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.51.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Latitude Rugged 7424",
"vendor": "Dell",
"versions": [
{
"lessThan": "1.42.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Precision 3930 Rack",
"vendor": "Dell",
"versions": [
{
"lessThan": "2.43.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "security_alert@emc.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Dell Client Platform BIOS contains a Weak Encoding for Password vulnerability. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Elevation of Privileges."
},
{
"lang": "es",
"value": "Dell Client Platform BIOS contiene una vulnerabilidad de codificaci\u00f3n d\u00e9bil para contrase\u00f1as. Un atacante no autenticado con acceso f\u00edsico podr\u00eda potencialmente explotar esta vulnerabilidad, lo que podr\u00eda llevar a una Elevaci\u00f3n de Privilegios."
}
],
"id": "CVE-2026-40639",
"lastModified": "2026-07-23T09:10:00.113",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "PHYSICAL",
"availabilityImpact": "NONE",
"baseScore": 5.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 0.5,
"impactScore": 5.2,
"source": "security_alert@emc.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-40639",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-09T18:58:36.468011Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-06-09T19:17:53.043",
"references": [
{
"source": "security_alert@emc.com",
"url": "https://www.dell.com/support/kbdoc/en-us/000453482/dsa-2026-197"
}
],
"sourceIdentifier": "security_alert@emc.com",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-261"
}
],
"source": "security_alert@emc.com",
"type": "Secondary"
}
]
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…