CVE-2026-73759 Unauthenticated Denial-of-Service Vulnerabilities in AOS-CX
Unauthenticated remote attackers can cause denial of service on HPE AOS-CX network devices by sending specially crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-73759?
CVE-2026-73759 is a medium-severity denial of service vulnerability in Hpe Arubaos-Cx, published on 1 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Vulnerabilities in AOS-CX could allow an unauthenticated remote malicious actor to trigger a denial-of-service condition by sending specially crafted packets. Successful exploitation of these vulnerabilities results in disruption of normal operation on affected devices.
Weakness: CWE-400
Which versions are affected by CVE-2026-73759?
It affects 1 product.
Products include Hpe Arubaos-Cx.
How do I fix CVE-2026-73759?
No fix has been published for CVE-2026-73759 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-73759 being exploited?
There is no known exploitation of CVE-2026-73759 in the wild and no public exploit code.
Other vulnerabilities in Hpe Arubaos-Cx
- CVE-2026-73749 Unauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in AOS-CX
- CVE-2026-23813 Authentication Bypass in Web Interface allows Unauthenticated Admin Password Reset
- CVE-2026-73750 Authenticated Buffer Overflow Vulnerabilities in AOS-CX API Endpoint Leads to Possible Code Execution
- CVE-2026-73751 Authenticated Remote Command Injection in AOS-CX Web-based Management Interface
- CVE-2026-73752 Unauthenticated Arbitrary File Write Vulnerability Leads to Remote Code Execution in AOS-CX
Sources
Also known as GHSA-x4q2-qmmg-jcfr.