CVE-2026-76703

Authenticated Buffer Overflow Vulnerability in HPE Networking EdgeConnect SD-WAN Gateways Web-Based Management Interface Causes Denial-of-Service

MEDIUM
5.5
CVSS Score
Published: September 15, 2026 at 07:24 PM UTC
Updated: September 28, 2026 at 01:49 PM UTC
3 products affected across 3 vendorsEdgeconnect Sd WAN OrchestratorEdgeconnect Operating SystemEdgeConnect SD-WAN Gateway

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated attacker with administrative access to cause a denial of service. Successful exploitation could allow an attacker to disrupt system operations, potentially resulting in an unstable system state.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

9.4.0 ≤ v < 9.4.119.5.0 ≤ v < 9.5.99.6.0 ≤ v < 9.6.49.7.0
Affected range stops below 9.4.11, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.5.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.6.4, so it looks safe — our inference, not a vendor statement
9.4.0.0 ≤ v < 9.4.9.09.5.0.0 ≤ v < 9.5.9.09.6.0.0 ≤ v < 9.6.4.09.7.0.0
Affected range stops below 9.4.9.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.5.9.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.6.4.0, so it looks safe — our inference, not a vendor statement
9.4.0.0 ≤ v ≤ 9.4.8.29.5.0.0 ≤ v ≤ 9.5.8.19.6.0.0 ≤ v ≤ 9.6.3.19.4.0.09.5.0.09.6.0.09.7.0.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMhpe
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120

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