CVE-2020-13602: Zephyrproject Zephyr

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh

Affected products

• Zephyrproject Zephyr: up to and including 1.14.2; from 2.0.0, up to and including 2.2.0

Published 2021-05-25. Last modified 2026-06-17.