CVE-2026-63453 Authenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in AOS-CX

High 7.2 Published Updated

Authenticated buffer overflows in AOS-CX CLI allow remote high-privileged users to execute arbitrary code on the underlying OS.

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

What is CVE-2026-63453?

CVE-2026-63453 is a high-severity memory corruption vulnerability in Hpe Arubaos-Cx, published on 21 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Buffer overflow vulnerabilities exist in the command line interface of AOS-CX. Successful exploitation of these vulnerabilities could allow a remote high-privileged user to execute arbitrary code as a privileged user on the underlying operating system.

Weakness: CWE-120

Which versions are affected by CVE-2026-63453?

It affects 1 product.

Products include Hpe Arubaos-Cx.

How do I fix CVE-2026-63453?

No fix has been published for CVE-2026-63453 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-63453 being exploited?

There is no known exploitation of CVE-2026-63453 in the wild and no public exploit code.

All Hpe Arubaos-Cx vulnerabilities

Sources

Also known as GHSA-wmvw-hw56-3gpj.

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