CyberSecBulletin
CVE-2026-76686NVD status: Analyzed

EdgeConnect SD-WAN Gateways: Uncontrolled Resource Consumption

Published Updated By the CyberSecBulletin desk

CVE-2026-76686 is a high-severity uncontrolled resource consumption vulnerability in EdgeConnect SD-WAN Gateways from Hewlett Packard Enterprise, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected EdgeConnect SD-WAN Gateways versions: 9.7.0.0 and earlier; 9.6.0.0 through 9.6.3.1; 9.5.0.0 through 9.5.8.1, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.57% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Edgeconnect Sd-wan Orchestrator to 9.4.11 or 9.5.9 or 9.6.4, whichever matches your release line, or a later version.
  2. Update Edgeconnect Operating System to 9.4.9.0 or 9.5.9.0 or 9.6.4.0, whichever matches your release line, or a later version.
  3. Read the advisory on support.hpe.com for workarounds and exact fixed builds.
  4. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
Hewlett Packard EnterpriseEdgeConnect SD-WAN Gateways9.7.0.0 and earlier; 9.6.0.0 through 9.6.3.1; 9.5.0.0 through 9.5.8.1; 9.4.0.0 through 9.4.8.2Not stated
Aruba NetworksEdgeconnect Sd-wan Orchestrator9.4.0 up to, but not including, 9.4.11; 9.5.0 up to, but not including, 9.5.9; 9.6.0 up to, but not including, 9.6.4; 9.7.09.4.11, 9.5.9, 9.6.4
Hewlett Packard EnterpriseEdgeconnect Operating System9.4.0.0 up to, but not including, 9.4.9.0; 9.5.0.0 up to, but not including, 9.5.9.0; 9.6.0.0 up to, but not including, 9.6.4.0; 9.7.0.09.4.9.0, 9.5.9.0, 9.6.4.0

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
NoneNo account or login is needed.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
NoneNo data is disclosed.
Integrity
NoneNothing can be modified.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by CNA (hpe.com).

Official description

A vulnerability exists in the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways. Successful exploitation could allow an unauthenticated remote attacker to conduct a denial-of-service attack on the affected service.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

How developers prevent this class of flaw

  • Ensure that protocols have specific limits of scale placed on them.
  • Ensure that all failures in resource allocation place the system into a safe posture.

More Uncontrolled Resource Consumption vulnerabilities (CWE-400)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in EdgeConnect SD-WAN Gateways

All EdgeConnect SD-WAN Gateways vulnerabilities

Recent Uncontrolled Resource Consumption vulnerabilities

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