A remote denial of service vulnerability was discovered in Aruba Instant version(s): Aruba Instant 6.5.x.x: 6.5.4.18 and below; Aruba Instant 8.5.x.x: 8.5.0.10 and below; Aruba Instant 8.6.x.x: 8.6.0.4 and below. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.
https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt
https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf