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    "cveMetadata": {
        "cveId": "CVE-2026-5706",
        "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
        "state": "PUBLISHED",
        "assignerShortName": "Silabs",
        "dateReserved": "2026-04-06T15:58:09.629Z",
        "datePublished": "2026-08-27T22:13:56.225Z",
        "dateUpdated": "2026-08-27T22:13:56.225Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
                "shortName": "Silabs",
                "dateUpdated": "2026-08-27T22:13:56.225Z"
            },
            "title": "Buffer overflow in Bluetooth Mesh SDK when handling extended advertisements",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-130",
                            "description": "CWE-130: Improper Handling of Length Parameter Inconsistency, CWE-787: Out-of-bounds Write",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-8",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-8: Buffer Overflow in an API Call"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Silicon Labs",
                    "product": "BT Mesh SDK",
                    "packageName": "BT Mesh SDK",
                    "repo": "https://github.com/SiliconLabs/simplicity_sdk",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "6.1.4, 9.1.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In Bluetooth Mesh SDK 6.1.4 and earlier, malformed extended advertisements can trigger out-of-bounds writes leading to stack corruption and remote code execution. These messages must come from a device that has already joined the network. Only provisioners supporting extended advertisements may be impacted.",
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                            "value": "In Bluetooth Mesh SDK 6.1.4 and earlier, malformed extended advertisements can trigger out-of-bounds writes leading to stack corruption and remote code execution. These messages must come from a device that has already joined the network. Only provisioners supporting extended advertisements may be impacted."
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000Et6HIAS?operationContext=S1",
                    "tags": [
                        "vendor-advisory",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://github.com/SiliconLabs/gecko_sdk/releases",
                    "tags": [
                        "patch"
                    ]
                }
            ],
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                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "subConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "HIGH",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.9,
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:H"
                    }
                }
            ],
            "source": {
                "discovery": "INTERNAL"
            },
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}