CVE-2026-76703: arubanetworks edgeconnect_sd-wan_orchestrator Classic Buffer Overflow

Vulnerability summary

CVE-2026-76703 is a medium (CVSS 5.5) Classic Buffer Overflow vulnerability in arubanetworks edgeconnect_sd-wan_orchestrator. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.6% of scored vulnerabilities.

Timeline

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

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.

• 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.