FKIE_CVE-2025-2329

Vulnerability from fkie_nvd - Published: 2025-07-25 16:15 - Updated: 2026-06-17 09:06
Severity
5.3 (Medium) - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Summary
In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host,  causing the host to reset the RCP which results in a denial of service.
References
product-security@silabs.comhttps://community.silabs.com/069Vm00000SNyueIAD
product-security@silabs.comhttps://github.com/SiliconLabs/gecko_sdk/releases
product-security@silabs.comhttps://github.com/SiliconLabs/simplicity_sdk/releases
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageName": "SiSDK,GSDK",
          "product": "OpenThread",
          "repo": "https://github.com/SiliconLabs/simplicity_sdk",
          "vendor": "silabs.com",
          "versions": [
            {
              "lessThanOrEqual": "2.5.2",
              "status": "affected",
              "version": "2.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "2.6.2",
              "status": "affected",
              "version": "2.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "2.4.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "product-security@silabs.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host,\u00a0 causing the host to reset the RCP which results in a denial of service."
    },
    {
      "lang": "es",
      "value": "En entornos de alto tr\u00e1fico, Silicon Labs OpenThread RCP (ver versiones afectadas) no logra borrar el b\u00fafer de transmisi\u00f3n SPI y puede enviar un paquete corrupto a trav\u00e9s de SPI a su host, lo que hace que el host restablezca el RCP y esto resulte en una denegaci\u00f3n de servicio."
    }
  ],
  "id": "CVE-2025-2329",
  "lastModified": "2026-06-17T09:06:45.960",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "ADJACENT",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "LOW",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "NONE",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "product-security@silabs.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-2329",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-07-25T18:02:09.908641Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-07-25T16:15:28.163",
  "references": [
    {
      "source": "product-security@silabs.com",
      "url": "https://community.silabs.com/069Vm00000SNyueIAD"
    },
    {
      "source": "product-security@silabs.com",
      "url": "https://github.com/SiliconLabs/gecko_sdk/releases"
    },
    {
      "source": "product-security@silabs.com",
      "url": "https://github.com/SiliconLabs/simplicity_sdk/releases"
    }
  ],
  "sourceIdentifier": "product-security@silabs.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-908"
        }
      ],
      "source": "product-security@silabs.com",
      "type": "Secondary"
    }
  ]
}



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