CVE-2026-1677 | zephyrproject-rtos Zephyr up to 4.3 ClientHello downgrade (GHSA-23r2-m5wx-4rvq / EUVD-2026-29033)

A vulnerability identified as problematic has been detected in zephyrproject-rtos Zephyr up to 4.3. Affected is an unknown function of the component ClientHello Handler. This manipulation causes algorithm downgrade.

This vulnerability is handled as CVE-2026-1677. The attack can be initiated remotely. There is not any exploit available.VulDB Recent EntriesRead More