CVE-2026-73778: HPE Arubaos-Cx

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability exists in the Credential Manager component that may allow for unauthorized administrative access. An unauthenticated remote attacker could exploit this vulnerability on a device in its factory-default or post-ZTP state before any administrator has configured credentials by providing a predictable factory-default password. Successful exploitation could result in full administrative control of the affected device during the initial setup process.

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 2026-09-10.