CVE-2026-17610: CWE-404: Improper Resource Shutdown or Release in Silicon Labs SiSDK
Description
CVE-2026-17610 is a medium severity vulnerability in Silicon Labs SiSDK versions 2026.6.0 and earlier. It affects EFR32MG24 and EFR32MG26 devices running concurrent multiprotocol Zigbee and Thread. Under high network traffic loads, a dropped ACK can cause a denial of service. No official patch or remediation guidance has been provided by the vendor as of the publication date.
CVSS v4.0
Score 6.0medium
Affected software
Silicon Labs
SiSDK
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-17610) involves improper resource shutdown or release (CWE-404) in Silicon Labs SiSDK. Specifically, in versions 2026.6.0 and earlier, high network traffic can lead to a dropped acknowledgment (ACK) packet, resulting in a denial of service condition on EFR32MG24 and EFR32MG26 devices operating concurrent multiprotocol Zigbee and Thread protocols. The CVSS 4.0 base score is 6.0, indicating medium severity. There is no vendor advisory or patch available at this time.
Potential Impact
The impact is a denial of service on affected devices under conditions of high network traffic load due to dropped ACK packets. This could disrupt device communication and operation in environments using concurrent Zigbee and Thread protocols on the specified hardware. There are no known exploits in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround has been published by Silicon Labs as of the vulnerability disclosure date.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Silabs
- Date Reserved
- 2026-07-27T17:25:40.218Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a916b37acd9273b49cabd5d
Added to database: 08/28/2026, 11:04:23 UTC
Last enriched: 09/10/2026, 03:08:30 UTC
Last updated: 10/13/2026, 18:48:17 UTC
Views: 65
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