CVE-2020-37216 — Hirschmann HiOS EtherNet/IP Stack Denial of Service
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…
Published: 2026-04-03 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7