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Edgeconnect Sd Wan Orchestrator EUVDEUVD-2026-79202

| CVE-2026-76676 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-09-15 security-alert@hpe.com GHSA-cx4g-p8fc-8fg7
RCE Buffer Overflow Stack Overflow Edgeconnect Sd Wan Orchestrator Arubanetworks Hpe Edgeconnect Operating System
8.8
CVSS 3.1 · Vendor: hpe
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Vulnerability Assessment

Weakness
CWE
CWE-121
ASVS 5.0
V15 - Secure Coding and Architecture Stack buffer bounds checking
MITRE ATT&CK

1 technique across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

A buffer overflow in the underlying operating system of HPE Aruba Networking EdgeConnect SD-WAN Gateways lets an unauthenticated attacker on an adjacent network segment execute arbitrary code as a privileged OS user, resulting in full compromise of the appliance. Affected branches span the 9.4.x, 9.5.x, 9.6.x and 9.7.0.0 release trains (up to 9.4.8.2, 9.5.8.1, 9.6.3.1 and 9.7.0.0 respectively). The vendor describes exploitation as conditional on preconditions outside the attacker's control, and no public exploit code, EPSS score or CISA KEV entry was present in the supplied intelligence at time of analysis.

Affected VersionsENISA

EdgeConnect SD-WAN Gateways 9.6.0.0 ≤9.6.3.1
EdgeConnect SD-WAN Gateways 9.4.0.0 ≤9.4.8.2
EdgeConnect SD-WAN Gateways 9.7.0.0 ≤9.7.0.0
EdgeConnect SD-WAN Gateways 9.5.0.0 ≤9.5.8.1

Affected Packages

euvd edgeconnect_sd_wan_gateways no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

Vendor (hpe) PRIMARY 8.8 HIGH
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (hpe) · only source for this CVE.

CVSS VectorVendor: hpe

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Buffer overflow vulnerabilities exist in the underlying operating system of EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to execute arbitrary code if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system leading to complete system compromise.

Threat Intelligence Overview

EPSS Score
0.2%
Top 84% exploitable
Data Quality
4 sources
Confidence: Medium
EUVD 🇯🇵JVN NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Controlled
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Stack-based Buffer Overflow HIGH

A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than it was allocated to hold.

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

More in Edgeconnect Sd Wan Orchestrator

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CVE-2026-76674 CRITICAL
9.8 Sep 15

Unauthenticated remote code execution affects HPE Networking EdgeConnect SD-WAN Gateways running firmware in the 9.4.x,

CVE-2026-76670 CRITICAL
9.9 Sep 15

Privilege escalation in HPE Networking EdgeConnect SD-WAN Orchestrator (builds 9.4.0 through 9.4.10, 9.5.0 through 9.5.8
CVE-2026-76669 CRITICAL
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Privilege escalation in the HPE Networking EdgeConnect SD-WAN Orchestrator API allows a remote, low-privileged but authe
CVE-2026-76672 CRITICAL
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Information disclosure in the HPE Aruba EdgeConnect SD-WAN Orchestrator allows a remote attacker holding only a valid re
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Unauthenticated remote attackers can bypass authentication controls in the EdgeConnect SD-WAN Orchestrator management AP
CVE-2026-63456 CRITICAL
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Authentication bypass in the REST API interface of HPE Networking (Aruba) EdgeConnect SD-WAN Orchestrator lets an unauth
CVE-2026-63455 CRITICAL
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Authentication bypass in the REST API of HPE Networking (Aruba) EdgeConnect SD-WAN Orchestrator lets an unauthenticated

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An Orchestrator service allows unauthenticated attackers to bypass MFA and create admin accounts without multi-factor au
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9.1 Sep 15

Authenticated command injection in the command-line interface of HPE Aruba EdgeConnect SD-WAN Gateways allows an attacke
CVE-2024-41914 CRITICAL
9.0 Jul 24

A vulnerability in the web-based management interface of EdgeConnect SD-WAN Orchestrator could allow an authenticated re
CVE-2026-76678 HIGH
8.8 Sep 15

Low-privilege authenticated attackers can escalate to root on HPE Networking EdgeConnect SD-WAN Gateways by abusing an A
CVE-2026-76677 HIGH
8.8 Sep 15

Privilege escalation in the EdgeConnect SD-WAN Gateway API lets a remote, authenticated low-privileged user gain adminis

Same weakness CWE-121 – Stack-based Buffer Overflow

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-76676 REF https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

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