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CVE-2026-6432

Improper bounds validation in EmberZNet SDK

Improper bounds validation in the ZAP command parser of EmberZNet SDK versions 8.0.0 through 9.1.1 (inclusive) and before 7.5.2 (exclusive) may result in crashes or dynamic memory leakage. In order to exploit this vulnerability, an attacker would have to have the ability to send arbitrary messages on the network. The only known exploit of this vulnerability leaks a limited number of bytes from the stack. No denial-of-service, memory corruption, or remote code execution has been shown.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Sisdk
CVE-2026-17610

RAIL 802.15.4 Mux missing ACK can lead to DoS

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 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Sisdk
CVE-2026-2815

Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable keys

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Silicon Labs
Products
Sisdk