CVE-2026-73774: HPE Arubaos-Cx

High severity, CVSS 7.6. EPSS: 0.3% chance of exploitation in the next 30 days.

A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.

Affected products

• HPE Arubaos-Cx: up to and including 10.10.1180; from 10.13.0000, up to and including 10.13.1180; from 10.16.0000, up to and including 10.16.1051; from 10.17.0000, up to and including 10.17.1021; version 10.18.0001 only

Published 2026-09-01. Last modified 2026-09-04.