CVE-2026-76738: Authenticated Buffer Overflow Vulnerability in the API Endpoint of HPE Networking Instant On Causes Denial-of-Service
Published Sep 29, 2026
·Updated
A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an authenticated attacker with administrative privileges to cause a denial of service. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service, which recovers without manual intervention.
Affected Software
1 affected component
HPE Networking Instant ON
Event History
Sep 29, 2026
CVE Published
via MITRE·07:28 PM
Data Sourced
via MITRE·07:28 PM
DescriptionSeverity
Data Sourced
via NVD·08:17 PM
DescriptionSeverity
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
An attacker must already be authenticated and have administrative privileges to the affected API endpoint.
2
What is the operational impact of successful exploitation?
Successful exploitation can interrupt normal operation of the affected service, causing a denial of service. The service recovers without manual intervention.