---
id: CVE-2026-76699
title: >-
  A buffer overflow vulnerability exists in a system service within the
  underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that
  could allow an unauthenticated adjacent attacker to cause a denial-of-service
summary: >-
  A buffer overflow vulnerability exists in a system service within the
  underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that
  could allow an unauthenticated adjacent attacker to cause a denial-of-service.
  Successfu…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H'
cwe:
  - CWE-120
vendor: Hewlett Packard Enterprise (HPE)
product: EdgeConnect SD-WAN Gateways
affected:
  - edgeconnect_sd-wan_gateways >= 9.7.0.0 <= 9.7.0.0
  - edgeconnect_sd-wan_gateways >= 9.6.0.0 <= 9.6.3.1
  - edgeconnect_sd-wan_gateways >= 9.5.0.0 <= 9.5.8.1
  - edgeconnect_sd-wan_gateways >= 9.4.0.0 <= 9.4.8.2
published: '2026-09-15'
updated: '2026-09-22'
sourceUpdated: '2026-09-22T19:16:48.063'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-76699'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US
    label: security-alert@hpe.com
tags:
  - nvd
  - cve.org
epss: 0.00218
epssPercentile: 0.10834
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-22T18:17:39.527411Z'
ingestedAt: '2026-09-15T19:42:58.821Z'
---

## Overview

A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to cause a denial-of-service. Successful exploitation could allow an attacker to crash the impacted service and temporarily disrupting network operations.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.