CVE-2026-76682: Unauthenticated Denial-of-Service Vulnerabilities in HPE Networking EdgeConnect SD-WAN Gateways

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-15 · updated 2026-09-28
Weakness: CWE-120

Description

A vulnerability in the network security monitoring component of intrusion detection systems could allow an unauthenticated remote attacker to exploit a limited buffer overflow. Successful exploitation could allow an attacker to cause a denial-of-service or potentially execute arbitrary code on the system.

Affected products

Hewlett Packard Enterprise (HPE) EdgeConnect SD-WAN Orchestrator: from 9.4.0 before 9.4.11; from 9.5.0 before 9.5.9; from 9.6.0 before 9.6.4; 9.7.0 — fixed in 9.4.11, 9.5.9, 9.6.4
HPE Edgeconnect Operating System: from 9.4.0.0 before 9.4.9.0; from 9.5.0.0 before 9.5.9.0; from 9.6.0.0 before 9.6.4.0; 9.7.0.0 — fixed in 9.4.9.0, 9.5.9.0, 9.6.4.0

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) EdgeConnect SD-WAN Orchestrator 9.4.11, 9.5.9, 9.6.4; HPE Edgeconnect Operating System 9.4.9.0, 9.5.9.0, 9.6.4.0. Check the vendor advisory for mitigations.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

Get alerted when CVE-2026-76682 or the next vulnerability affects your stack