A remote denial of service (dos) vulnerability was discovered in some Aruba Instant Access Point (IAP) products in version(s): Aruba Instant 8.3.x: 8.3.0.12 and below; Aruba Instant 8.5.x: 8.5.0.9 and below; Aruba Instant 8.6.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant that address this security vulnerability.
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-007.txt
https://cert-portal.siemens.com/productcert/pdf/ssa-723417.pdf