github - ghsa-5f47-2v24-g377

GHSA-5F47-2V24-G377

Vulnerability from github – Published: 2025-07-25 18:30 – Updated: 2025-07-25 18:30

Details

The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application.

sl_si91x_aes sl_si91x_gcm sl_si91x_ccm sl_si91x_sha

Severity ?

6.0 (Medium)


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

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-3873"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-07-25T16:15:33Z",
    "severity": "MODERATE"
  },
  "details": "The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application.\n\n\nsl_si91x_aes\nsl_si91x_gcm\nsl_si91x_ccm \nsl_si91x_sha",
  "id": "GHSA-5f47-2v24-g377",
  "modified": "2025-07-25T18:30:40Z",
  "published": "2025-07-25T18:30:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3873"
    },
    {
      "type": "WEB",
      "url": "https://community.silabs.com/068Vm00000SSlOu"
    },
    {
      "type": "WEB",
      "url": "https://docs.silabs.com/wiseconnect/latest/sisdk-wifi-release-notes"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-3873 (GCVE-0-2025-3873)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:46 – Updated: 2025-07-25 18:32

Summary

Severity ?

6 (Medium)


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

CWE

CWE-787 - Out-of-bounds Write

Assigner

Silabs

References

URL

Tags

	https://docs.silabs.com/wiseconnect/latest/sisdk-…	release-notes
	https://community.silabs.com/068Vm00000SSlOu	vendor-advisorypermissions-required

Impacted products

	Vendor	Product	Version
	silabs.com	WiseConnect	Affected: 3.0.0 , < 3.4.0 (semver)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-3873",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-07-25T18:31:45.896050Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-07-25T18:32:06.955Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageName": "SiSDK",
          "product": "WiseConnect",
          "repo": "https://github.com/SiliconLabs/wiseconnect",
          "vendor": "silabs.com",
          "versions": [
            {
              "lessThan": "3.4.0",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
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              "base64": false,
              "type": "text/html",
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            }
          ],
          "value": "The following APIs for the Silcon Labs SiWx91x prior to vesion 3.4.0 failed to check the size of the output buffer of the caller which could lead to data corruption on the host (Cortex-M4) application.\n\n\nsl_si91x_aes\nsl_si91x_gcm\nsl_si91x_ccm \nsl_si91x_sha"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-100",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-100 Overflow Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
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      "problemTypes": [
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-07-25T15:46:02.258Z",
        "orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
        "shortName": "Silabs"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://docs.silabs.com/wiseconnect/latest/sisdk-wifi-release-notes/"
        },
        {
          "tags": [
            "vendor-advisory",
            "permissions-required"
          ],
          "url": "https://community.silabs.com/068Vm00000SSlOu"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Buffer overflow in Si91x crypto APIs",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
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  "cveMetadata": {
    "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
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    "datePublished": "2025-07-25T15:46:02.258Z",
    "dateReserved": "2025-04-22T15:48:02.536Z",
    "dateUpdated": "2025-07-25T18:32:06.955Z",
    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-5F47-2V24-G377

CVE-2025-3873 (GCVE-0-2025-3873)

Tags

Sightings

Nomenclature