CVE-2026-73770 Authenticated Arbitrary File Write Vulnerability Leading to Remote Code Execution in AOS-CX

High 7.3 Published Updated

Authenticated attackers can write arbitrary files to execute commands as a privileged user on HPE AOS-CX network devices.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-73770?

CVE-2026-73770 is a high-severity path traversal vulnerability in Hpe Arubaos-Cx, published on 1 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An authenticated arbitrary file write vulnerability exists in AOS-CX. Successful exploitation could allow an authenticated malicious actor, under specific conditions outside the attacker's control and following a required action by another user, to create or modify arbitrary files and execute arbitrary commands as a privileged user on the underlying operating system.

Weakness: CWE-73

Which versions are affected by CVE-2026-73770?

It affects 1 product.

Products include Hpe Arubaos-Cx.

How do I fix CVE-2026-73770?

No fix has been published for CVE-2026-73770 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-73770 being exploited?

There is no known exploitation of CVE-2026-73770 in the wild and no public exploit code.

All Hpe Arubaos-Cx vulnerabilities

Sources

Also known as GHSA-hm5v-gf2c-fpqw.

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