CVE-2026-73778 Credential Manager Vulnerability Allows Unauthorized Administrative Access

High 8.1 Published Updated

Unauthenticated attackers can gain full administrative control of HPE AOS-CX devices during initial setup by using predictable factory-default credentials.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-73778?

CVE-2026-73778 is a high-severity vulnerability in Hpe Arubaos-Cx, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-521

Which versions are affected by CVE-2026-73778?

It affects 1 product.

Products include Hpe Arubaos-Cx.

How do I fix CVE-2026-73778?

No fix has been published for CVE-2026-73778 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-73778 being exploited?

There is no known exploitation of CVE-2026-73778 in the wild and no public exploit code.

All Hpe Arubaos-Cx vulnerabilities

Sources

Also known as GHSA-67h4-2q79-fw4h.

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