CVE-2026-76683: arubanetworks edgeconnect_sd-wan_orchestrator Classic Buffer Overflow

Vulnerability summary

CVE-2026-76683 is a high (CVSS 8.1) Classic Buffer Overflow vulnerability in arubanetworks edgeconnect_sd-wan_orchestrator. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.1% of scored vulnerabilities.

Timeline

1. 15-09-2026
   PublishedVulnerability first disclosed.
2. 21-09-2026
   Last modifiedVulnerability information updated.

Description

Buffer overflow vulnerabilities exist in the API endpoint of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.