{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-17610",
        "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
        "state": "PUBLISHED",
        "assignerShortName": "Silabs",
        "dateReserved": "2026-07-27T17:25:40.218Z",
        "datePublished": "2026-08-27T22:17:09.467Z",
        "dateUpdated": "2026-08-27T22:17:09.467Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "030b2754-1501-44a4-bef8-48be86a33bf4",
                "shortName": "Silabs",
                "dateUpdated": "2026-08-27T22:17:09.467Z"
            },
            "title": "RAIL 802.15.4 Mux missing ACK can lead to DoS",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-404",
                            "description": "CWE-404: Improper Resource Shutdown or Release",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "capecId": "CAPEC-125",
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "CAPEC-125: Flooding"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Silicon Labs",
                    "product": "SiSDK",
                    "packageName": "RAIL",
                    "repo": "https://github.com/SiliconLabs/simplicity_sdk",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThanOrEqual": "2026.6.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a denial of service. This is only present for EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread.",
                    "supportingMedia": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a denial of service. This is only present for EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread."
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000F7VpIAK?operationContext=S1",
                    "tags": [
                        "vendor-advisory",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://github.com/SiliconLabsSoftware/sisdk-release/tree/sisdk-2026.6",
                    "tags": [
                        "patch"
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV4_0": {
                        "attackVector": "ADJACENT",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subAvailabilityImpact": "NONE",
                        "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": "MEDIUM",
                        "baseScore": 6,
                        "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
                    }
                }
            ],
            "source": {
                "discovery": "INTERNAL"
            },
            "x_generator": {
                "engine": "Vulnogram 1.0.5"
            }
        }
    }
}