High severity · published Sep 15, 2026
CVE-2026-76685
Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution or Denial-of-Service in HPE Networking EdgeConnect SD-WAN Gateways
8.1
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
EdgeConnect SD-WAN Gateways · Hewlett Packard Enterprise (HPE)
9.7.0.0 through 9.7.0.0; 9.6.0.0 through 9.6.3.1; 9.5.0.0 through 9.5.8.1; 9.4.0.0 through 9.4.8.2 · source: vendor
EO
Edgeconnect Operating System · Hpe
9.4.0.0 before 9.4.9.0; 9.5.0.0 before 9.5.9.0; 9.6.0.0 before 9.6.4.0; 9.7.0.0 · source: NVD
ES
Edgeconnect Sd-wan Orchestrator · Arubanetworks
9.4.0 before 9.4.11; 9.5.0 before 9.5.9; 9.6.0 before 9.6.4; 9.7.0 · source: NVD
Affected product
ES
EdgeConnect SD-WAN Gateways
Hewlett Packard Enterprise (HPE)
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