Vulnerability-Lookup

CVE-2025-7432 (GCVE-0-2025-7432)

Vulnerability from cvelistv5 – Published: 2026-02-09 16:07 – Updated: 2026-02-09 16:23

Title

DPA countermeasures not reseeded under certain conditions

Summary

DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions. This may allow an attacker to eventually extract secret keys through a DPA attack.

Severity

1 (Low)


                        
                          CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-02-09 16:23 UTC

CWE

CWE-331 - Insufficient Entropy

Assigner

Silabs mitre root

References

1 reference

URL	Tags
https://community.silabs.com/068Vm00000b9fBW	vendor-advisorypermissions-required

Impacted products

1 product

Vendor	Product	Version
silabs.com	Simplicity SDK	Affected: 0 , < 2025.12.0 (semver)

Show details on NVD website

JSON

To clipboard

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EUVD-2026-51720

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-03 10:47

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-03T10:47:48.003992+00:00",
  "id": "EUVD-2026-51720"
}

FKIE_CVE-2025-7432

Vulnerability from fkie_nvd - Published: 2026-02-09 18:16 - Updated: 2026-06-17 10:04

Severity

1.0 (Low) - CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Summary

DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions. This may allow an attacker to eventually extract secret keys through a DPA attack.

References

	URL	Tags
	product-security@silabs.com	https://community.silabs.com/068Vm00000b9fBW

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "SiSDK",
          "product": "Simplicity SDK",
          "vendor": "silabs.com",
          "versions": [
            {
              "lessThan": "2025.12.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "product-security@silabs.com"
    }
  ],
  "cveTags": [],
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      "value": "DPA countermeasures in Silicon Labs\u0027 Series 2 devices are not reseeded under certain conditions.\u00a0\n\nThis may allow an attacker to eventually extract secret keys through a DPA attack."
    },
    {
      "lang": "es",
      "value": "Las contramedidas DPA en los dispositivos de la Serie 2 de Silicon Labs no est\u00e1n resembradas bajo ciertas condiciones.\n\nEsto puede permitir a un atacante extraer eventualmente claves secretas mediante un ataque DPA."
    }
  ],
  "id": "CVE-2025-7432",
  "lastModified": "2026-06-17T10:04:56.977",
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          "attackVector": "PHYSICAL",
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          "confidentialityRequirement": "NOT_DEFINED",
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          "integrityRequirement": "NOT_DEFINED",
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          "modifiedAttackVector": "NOT_DEFINED",
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GHSA-MHVF-GHPW-C93C

Vulnerability from github – Published: 2026-02-09 18:30 – Updated: 2026-02-09 18:30

Details

DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions.

This may allow an attacker to eventually extract secret keys through a DPA attack.

Severity

1.0 (Low)


                  
                    CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2025-7432"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-331"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-09T18:16:05Z",
    "severity": "LOW"
  },
  "details": "DPA countermeasures in Silicon Labs\u0027 Series 2 devices are not reseeded under certain conditions.\u00a0\n\nThis may allow an attacker to eventually extract secret keys through a DPA attack.",
  "id": "GHSA-mhvf-ghpw-c93c",
  "modified": "2026-02-09T18:30:31Z",
  "published": "2026-02-09T18:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-7432"
    },
    {
      "type": "WEB",
      "url": "https://community.silabs.com/068Vm00000b9fBW"
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      "type": "CVSS_V4"
    }
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

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.

Action not permitted

CVE-2025-7432 (GCVE-0-2025-7432)

EUVD-2026-51720

FKIE_CVE-2025-7432

GHSA-MHVF-GHPW-C93C

Tags

Sightings

Nomenclature

Related by attack behaviour