EdgeConnect SD-WAN Gateways: Uncontrolled Resource Consumption
CVE-2026-76693 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 7.0 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 0.36% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- 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.
- 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.
- Read the advisory on support.hpe.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Hewlett Packard Enterprise | EdgeConnect SD-WAN Gateways | 9.7.0.0 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 9.4.8.2 | Not stated |
| Aruba Networks | Edgeconnect Sd-wan Orchestrator | 9.4.0 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; 9.7.0 | 9.4.11, 9.5.9, 9.6.4 |
| Hewlett Packard Enterprise | Edgeconnect Operating System | 9.4.0.0 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; 9.7.0.0 | 9.4.9.0, 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
- HighSuccess depends on conditions outside the attacker's control.
- 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
- LowSome restricted data can be read.
- Integrity
- LowLimited modification of data is possible.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H. Scored by CNA (hpe.com).
Official description
A vulnerability in HPE Networking EdgeConnect SD-WAN Gateways could allow an unauthenticated remote attacker to cause a denial-of-service against certain services running on impacted Gateways.
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
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in EdgeConnect SD-WAN Gateways
- 7.1 High severity
- 7.2 High severity
- 7.2 High severity
- 7.2 High severity
- 7.5 High severity
- 7.5 High severity
Recent Uncontrolled Resource Consumption vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
- 7.5 High severity
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