{"id":"CVE-2026-17610","aliases":["EUVD-2026-67300","GHSA-p7h7-26v3-v26r"],"status":"published","title":"RAIL 802.15.4 Mux missing ACK can lead to DoS","description":"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.","severity":{"version":"4.0","score":6,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00251,"percentile":0.16574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2026-08-27T22:17:09Z","modified":"2026-09-08T19:12:59Z","products":[{"vendor":"silabs.com","product":"sisdk"},{"vendor":"silicon labs","product":"sisdk"}],"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"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17610"},{"url":"https://github.com/advisories/GHSA-p7h7-26v3-v26r"}],"sources":{"cve":[{"id":"CVE-2026-17610","title":"RAIL 802.15.4 Mux missing ACK can lead to DoS","description":"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.","status":"published","published":"2026-08-27T22:17:09.467Z","modified":"2026-08-28T15:29:13.052Z","cvss":[{"version":"4.0","score":6,"vector":"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","level":"medium","assessor":"cna"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:19:54.84674Z"}],"euvd":[{"id":"EUVD-2026-67300","description":"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.","status":"published","published":"2026-08-27T22:17:09Z","modified":"2026-08-28T15:29:13Z","cvss":[{"version":"4.0","score":6,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T18:01:23.608347Z"}],"ghsa":[{"id":"GHSA-p7h7-26v3-v26r","title":"In SiSDK v2026.6.0 and earlier, high network traffic loads can cause a dropped ACK leading to a...","description":"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.","status":"published","published":"2026-08-28T00:31:59Z","modified":"2026-08-28T00:32:02Z","cvss":[{"version":"4.0","score":6,"vector":"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/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","level":"medium"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T15:11:05.645531Z"}],"nvd":[{"id":"CVE-2026-17610","description":"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.","status":"published","published":"2026-08-28T00:16:48.47Z","modified":"2026-09-08T19:12:59.557Z","cvss":[{"version":"4.0","score":6,"vector":"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/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","level":"medium","assessor":"secondary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}