Vulnerability-Lookup

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

Title

Buffer overflow in Si91x crypto APIs

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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-07-25 18:31 UTC

CWE

CWE-787 - Out-of-bounds Write

Assigner

Silabs CNA under the mitre root

CNA scorecard B 84/100 over 41 records in the last 180 days details

References

2 references

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

Impacted products

1 product

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": [
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            "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"
              },
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    "cna": {
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          "packageName": "SiSDK",
          "product": "WiseConnect",
          "repo": "https://github.com/SiliconLabs/wiseconnect",
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          "versions": [
            {
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              "status": "affected",
              "version": "3.0.0",
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            "Recovery": "NOT_DEFINED",
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        },
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      "source": {
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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.

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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.
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