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Critical · 9.4 CVE-2025-8414 EUVD-2025-34896GHSA-9ppj-5fv3-g9qh

Zigbee Green Power Host Buffer Overflow Vulnerability

Published Oct 17, 2025 · Updated Oct 17, 2025 · Assigned by Silabs

Description

Due to improper input validation, a buffer overflow vulnerability is present in

Zigbee EZSP Host Applications. If the buffer overflows, stack corruption is possible. In certain

conditions, this could lead to arbitrary code execution. Access to a network key is required to exploit this vulnerability.

Affected products

VendorProductAffectedFixed
silabs.com Simplicity SDK ≤ 2025.6.0, ≤ 2024.12.2 —
silabs.com Gecko SDK ≤ 4.4.6 —

References