CVE-2026-1678

Critical 9.4 CVSS Zephyr RTOS Flaw Exposes Millions of IoT Devices to RCE

Do Son March 9, 2026

A critical 9.4 CVSS buffer overflow flaw (CVE-2026-1678) in Zephyr RTOS's DNS parser allows unauthenticated RCE on IoT devices. Patch immediately.

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