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Edgeconnect Sd Wan Orchestrator CVE-2026-76689

| EUVDEUVD-2026-79215 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-09-15 security-alert@hpe.com GHSA-2xc6-vfxp-5976
RCE Buffer Overflow Denial Of Service Stack Overflow Edgeconnect Sd Wan Orchestrator Arubanetworks Hpe Edgeconnect Operating System
7.2
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 0.9% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Authenticated attackers who already hold administrative privileges on HPE Aruba EdgeConnect SD-WAN Gateways can supply specially crafted configuration data that overflows a stack buffer in the configuration processing logic, potentially yielding remote code execution as root or crashing the gateway into a denial of service. The flaw affects gateway releases in the 9.4.x (≤9.4.8.2), 9.5.x (≤9.5.8.1), 9.6.x (≤9.6.3.1) and 9.7.0.0 branches per the ENISA EUVD affected-version list, and carries a CVSS 3.1 base score of 7.2 (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H). No public exploit code, CISA KEV listing or EPSS score was included in the supplied intelligence, so the observed exploitation status is unconfirmed at time of analysis.

Affected VersionsENISA

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 9.4.0.0 ≤9.4.8.2
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 7.2 HIGH
AV:N/AC:L/PR:H/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
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

A vulnerability exists in the configuration processing logic of the affected component where malformed input is improperly processed. An authenticated remote attacker with administrative privileges could exploit this vulnerability by providing specially crafted configuration data. Successful exploitation could result in a stack-based buffer overflow, potentially leading to remote code execution with root privileges or a denial of service due to a system crash.

Threat Intelligence Overview

EPSS Score
0.9%
Top 44% 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 0.9%
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
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

37
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +36
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.

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

More in Edgeconnect Sd Wan Orchestrator

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

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Privilege escalation in HPE Networking EdgeConnect SD-WAN Orchestrator (builds 9.4.0 through 9.4.10, 9.5.0 through 9.5.8
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Privilege escalation in the HPE Networking EdgeConnect SD-WAN Orchestrator API allows a remote, low-privileged but authe
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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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An Orchestrator service allows unauthenticated attackers to bypass MFA and create admin accounts without multi-factor au
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Authenticated command injection in the command-line interface of HPE Aruba EdgeConnect SD-WAN Gateways allows an attacke
CVE-2024-41914 CRITICAL
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A vulnerability in the web-based management interface of EdgeConnect SD-WAN Orchestrator could allow an authenticated re
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Low-privilege authenticated attackers can escalate to root on HPE Networking EdgeConnect SD-WAN Gateways by abusing an A
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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-2026-76689 REF https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

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