CVE-2026-76695: Unauthenticated Buffer Overflow Vulnerabilities in HPE Networking EdgeConnect SD-WAN Gateways

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% 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 send specially crafted packets to the affected service. Successful exploitation could allow an attacker to affect the integrity and availability of the affected service.

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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