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CVE-2026-76699

MEDIUM 6.4 ALL-YEARS

Published 2026-09-15 · Last modified 2026-09-22 · hpe · NVD: Analyzed

A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated adjacent attacker to cause a denial-of-service. Successful exploitation could allow an attacker to crash the impacted service and temporarily disrupting network operations.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 11th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

6.4CVSS 3.1 · MEDIUM · CNA

  • ConfidentialityLow
  • IntegrityLow
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Must sit on the same / adjacent network
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Hewlett Packard Enterprise (Hpe) Arubanetworks Hpe

Products Edgeconnect Sd Wan Gateways Edgeconnect Sd Wan Orchestrator Edgeconnect Operating System

Weakness (CWE)

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

Known Affected Software Configurations

VendorProductVersion range
ArubanetworksEdgeconnect Sd Wan Orchestrator≥ 9.4.0 and < 9.4.11
ArubanetworksEdgeconnect Sd Wan Orchestrator≥ 9.5.0 and < 9.5.9
ArubanetworksEdgeconnect Sd Wan Orchestrator≥ 9.6.0 and < 9.6.4
ArubanetworksEdgeconnect Sd Wan Orchestrator9.7.0
HpeEdgeconnect Operating System≥ 9.4.0.0 and < 9.4.9.0
HpeEdgeconnect Operating System≥ 9.5.0.0 and < 9.5.9.0
HpeEdgeconnect Operating System≥ 9.6.0.0 and < 9.6.4.0
HpeEdgeconnect Operating System9.7.0.0

All CVSS metrics

  • MEDIUM 6.4 v3.1 · CNA Primary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  • MEDIUM 6.4 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

References

Advisories

Sources: NVD · CVE.org · EPSS