Medium severity · published Aug 27, 2026
CVE-2026-17610
RAIL 802.15.4 Mux missing ACK can lead to DoS
6.0
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
SiSDK · Silicon Labs
through 2026.6.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17610
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17610
github.com
https://github.com/SiliconLabsSoftware/sisdk-release/tree/sisdk-2026.6
siliconlabs.lightning.force.com
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/a45Vm000000F7VpIAK?operationContext=S1
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