CVE-2026-76699 Unauthenticated Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networking EdgeConnect SD-WAN Gateways

Medium 6.4 Published 15 Sep 2026 Updated 22 Sep 2026

Unauthenticated adjacent attackers can cause a denial-of-service by crashing a system service via buffer overflow in HPE EdgeConnect SD-WAN Gateways.

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-2026-76699?

CVE-2026-76699 is a medium-severity memory corruption vulnerability in Arubanetworks Edgeconnect Sd-Wan Orchestrator, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to cause a denial-of-service. Successful exploitation could allow an attacker to crash the impacted service and temporarily disrupting network operations.

Weakness: CWE-120

Which versions are affected by CVE-2026-76699?

It affects 2 products.

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

How do I fix CVE-2026-76699?

No fix has been published for CVE-2026-76699 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-2026-76699 being exploited?

There is no known exploitation of CVE-2026-76699 in the wild and no public exploit code.

All Arubanetworks Edgeconnect Sd-Wan Orchestrator vulnerabilities

Sources

Also known as GHSA-xmwj-rg67-qgq7.