Security Advisory

CVE-2020-37216

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-04-03 20:19:25

Last updated 2026-05-14 02:06:50

Assigner VulnCheck

State PUBLISHED

Description

Hirschmann HiOS devices versions prior to 08.1.00 and 07.1.01 contain a denial of service vulnerability in the EtherNet/IP stack where improper handling of packet length fields allows remote attackers to crash or hang the device. Attackers can send specially crafted UDP EtherNet/IP packets with a length value larger than the actual packet size to render the device inoperable.

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