CVE-2026-76676 Unauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in EdgeConnect SD-WAN Gateways

High 8.8 Published 15 Sep 2026 Updated 21 Sep 2026

Unauthenticated adjacent attackers can execute arbitrary code as a privileged user on EdgeConnect SD-WAN Gateways via buffer overflows.

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-2026-76676?

CVE-2026-76676 is a high-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

Buffer overflow vulnerabilities exist in the underlying operating system of EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to execute arbitrary code if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system leading to complete system compromise.

Weakness: CWE-121

Which versions are affected by CVE-2026-76676?

It affects 2 products.

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

How do I fix CVE-2026-76676?

No fix has been published for CVE-2026-76676 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-2026-76676 being exploited?

There is no known exploitation of CVE-2026-76676 in the wild and no public exploit code.

All Arubanetworks Edgeconnect Sd-Wan Orchestrator vulnerabilities

Sources

Also known as GHSA-cx4g-p8fc-8fg7.