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Known vulnerabilities in silabs.com Simplicity SDK

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CVE Summary Score Published
CVE-2026-4930 SYMCRYPTO is the SiXG301's host side hardware engine accessed by PSA crypto library that accelerates symmetric… 7.1 High Jun 25, 2026
CVE-2026-8676 An attacker is able to downgrade the security of a Bluetooth LE connection by deleting an existing bond, spoofing the… 8.8 High May 26, 2026
CVE-2025-14972 * Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently random and will eventually… 4.1 Medium May 15, 2026
CVE-2025-14547 An integer underflow vulnerability is present in Silicon Lab’s implementation of PSA Crypto and SE Manager EC-JPAKE APIs… 2.3 Low Feb 20, 2026
CVE-2025-7432 DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions.  This may allow an… 1.0 Low Feb 9, 2026
CVE-2025-12131 A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service 5.3 Medium Feb 5, 2026
CVE-2025-8414 Due to improper input validation, a buffer overflow vulnerability is present in Zigbee EZSP Host Applications 9.4 Critical Oct 17, 2025
CVE-2024-6350 A malformed 802.15.4 packet causes a buffer overflow to occur leading to an assert and a denial of service 6.5 Medium Jan 8, 2025

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