Vulnerability · Published Aug 27, 2026 · Assigned by Silabs
CVE-2026-17610RAIL 802.15.4 Mux missing ACK can lead to DoS
Medium 6.0
In plain English
A medium-severity security flaw in SiSDK from Silicon Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.3%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | SiSDK | 0 – through 2026.6.0 |
Weakness: CWE-404 · 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