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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Hewlett Packard Enterprise (HPE) Instant ON affected
Version Status Constraints
0.0.0.0 affected ≤ 3.4.1.0

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US cve-icon cve-icon
History

Tue, 29 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119

Tue, 29 Sep 2026 19:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Authenticated Buffer Overflow Vulnerability in the API Endpoint of HPE Networking Instant On Causes Denial-of-Service
References
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hpe

Published:

Updated: 2026-09-29T19:28:58.533Z

Reserved: 2026-08-19T16:13:34.635Z

Link: CVE-2026-76738

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-29T20:17:26.277

Modified: 2026-09-29T21:39:02.570

Link: CVE-2026-76738

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T22:15:08Z

Weaknesses