Description
A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.
Published: 2026-09-29
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Denial of Service
Action: Assess Impact
AI Analysis

Impact

A memory corruption bug in the affected interface of HPE Networking Instant On can be triggered by an unauthenticated remote attacker, causing a denial of service. The impact is limited to interrupting the normal operation of the affected service, and an attacker may obtain some restricted information from within the component.

Affected Systems

Affected products include Hewlett Packard Enterprise’s HPE Instant On service. Version details are not provided.

Risk and Exploitability

The vulnerability has a CVSS score of 4.8, indicating a moderate risk level. The EPSS score is not available, and it is not listed in CISA’s KEV catalog. The attack vector is inferred to be remote, accessed through the exposed interface, and no authentication is required. Exploitation would likely involve sending crafted input that corrupts memory, leading to an interrupt of the service and potential disclosure of limited component data.

Generated by OpenCVE AI on September 29, 2026 at 21:43 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Apply any available HPE patch for Instant On as soon as it is released.
  • Restrict network access to the exposed interface using firewall rules, ACLs, or segmentation so that only trusted sources can reach it.
  • Continuously monitor the availability and performance of the Instant On service, logging any unexpected restarts or crashes to detect potential exploitation.

Generated by OpenCVE AI on September 29, 2026 at 21:43 UTC.

Tracking

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Advisories

No advisories yet.

History

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

Type Values Removed Values Added
Weaknesses CWE-119

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

Type Values Removed Values Added
Description A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.
Title Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: hpe

Published:

Updated: 2026-09-29T19:28:52.406Z

Reserved: 2026-08-19T16:13:18.140Z

Link: CVE-2026-76734

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-29T20:17:25.767

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

Link: CVE-2026-76734

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-29T21:45:17Z

Weaknesses
  • CWE-119

    Improper Restriction of Operations within the Bounds of a Memory Buffer