CVE-2023-6874: Silabs Gecko Software Development Kit

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Prior to v7.4.0, Ember ZNet is vulnerable to a denial of service attack through manipulation of the NWK sequence number

Affected products

• Silabs Gecko Software Development Kit: before 4.4.0 (fixed in 4.4.0)

Published 2024-02-05. Last modified 2026-06-17.