CVE-2026-76674: Unauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in HPE Networking EdgeConnect SD-WAN Gateways

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% 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

Buffer overflow vulnerabilities exist in the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remote attacker to execute arbitrary code. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system leading to complete system compromise.

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

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