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Edgeconnect Sd Wan Orchestrator EUVDEUVD-2026-79211

| CVE-2026-76685 HIGH
Integer Overflow or Wraparound (CWE-190)
2026-09-15 security-alert@hpe.com GHSA-9hxc-8pcp-cr6j
RCE Buffer Overflow Integer Overflow Edgeconnect Sd Wan Orchestrator Arubanetworks Hpe Edgeconnect Operating System
8.1
CVSS 3.1 · Vendor: hpe
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Vulnerability Assessment

Weakness
CWE
CWE-190
ASVS 5.0
V15 - Secure Coding and Architecture Integer overflow checks
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 0.7% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 15, 2026

Unauthenticated remote code execution and denial-of-service in HPE Aruba Networking EdgeConnect SD-WAN Gateways (versions 9.4.0.0–9.4.8.2, 9.5.0.0–9.5.8.1, 9.6.0.0–9.6.3.1, and 9.7.0.0) arise from flawed parsing of malformed or truncated packets in the proxy packet-processing path, where incorrect length arithmetic triggers an integer overflow that can become a memory-corruption (buffer overflow) condition. Successful exploitation can let a network-positioned attacker execute code or crash the gateway, taking down the SD-WAN overlay. The HPE advisory at support.hpe.com confirms affected version ranges, but there is no CISA KEV listing, no EPSS score, and no public exploit code identified at time of analysis, so this is currently a patch-now, watch-for-exploitation item rather than a confirmed active campaign.

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 9.5.0.0 ≤9.5.8.1
EdgeConnect SD-WAN Gateways 9.4.0.0 ≤9.4.8.2

Affected Packages

euvd edgeconnect_sd_wan_gateways no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Severity by source

Vendor (hpe) PRIMARY 8.1 HIGH
AV:N/AC:H/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
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

A vulnerability exists in the proxy packet processing logic of the affected component where it improperly processes malformed or truncated input. An unauthenticated remote attacker could exploit this vulnerability by providing specially crafted input that triggers an integer overflow. Successful exploitation could result in a buffer overflow, potentially leading to remote code execution or denial-of-service.

Threat Intelligence Overview

EPSS Score
0.7%
Top 50% 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 0.7%
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

41
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +40
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.

Integer Overflow MEDIUM

Integer overflow occurs when an arithmetic operation produces a result that exceeds the maximum value a given integer type can store.

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.

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-76685 REF https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

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