Medium 6.0Published Aug 27, 2026

CVE-2026-17610RAIL 802.15.4 Mux missing ACK can lead to DoS

Updated under an hour ago (2026-10-19 07:10 UTC)

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It affects Silicon Labs SiSDK. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Silicon Labs SiSDK

Exploited in the last 30 days

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.

CVSS: 6.0 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-404
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Silabs
NVD analysis: Awaiting Analysis
Record last updated: Aug 28, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Silicon Labs SiSDK silicon_labs:sisdk (from the name)	through 2026.6.0	CNA record

References

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000F7VpIAK?operationContext=S1vendor-advisory, permissions-required
https://github.com/SiliconLabsSoftware/sisdk-release/tree/sisdk-2026.6patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.