CVE-2026-76703 Memory corruption in EdgeConnect SD-WAN Gateways

Medium 5.5 Published 15 Sep 2026 Updated 21 Sep 2026

An authenticated administrator can trigger a buffer overflow in the web interface, causing a denial of service on HPE EdgeConnect SD-WAN gateways.

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-2026-76703?

CVE-2026-76703 is a medium-severity memory corruption vulnerability in Arubanetworks Edgeconnect Sd-Wan Orchestrator, published on 15 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated attacker with administrative access to cause a denial of service. Successful exploitation could allow an attacker to disrupt system operations, potentially resulting in an unstable system state.

Weakness: CWE-120

Which versions are affected by CVE-2026-76703?

It affects 2 products.

Products include Arubanetworks Edgeconnect Sd-Wan Orchestrator, Hpe Edgeconnect Operating System.

How do I fix CVE-2026-76703?

No fix has been published for CVE-2026-76703 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-2026-76703 being exploited?

There is no known exploitation of CVE-2026-76703 in the wild and no public exploit code.

All Arubanetworks Edgeconnect Sd-Wan Orchestrator vulnerabilities

Sources

Also known as GHSA-mp3q-57vh-39hc.