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CVE-2026-76723: Vulnerability in Hewlett Packard Enterprise (HPE) Instant ON

0
Critical
VulnerabilityCVE-2026-76723cvecve-2026-76723
Published: 09/29/2026 (09/29/2026, 19:28:35 UTC)
Source: CVE Database V5
Vendor/Project: Hewlett Packard Enterprise (HPE)
Product: Instant ON

Description

Buffer overflow vulnerabilities exist in the affected interface of HPE Networking Instant ON APS that could allow an unauthenticated adjacent attacker to achieve remote code execution. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system.

CVSS v3.1

Score 9.6critical

Attack Vector
Adjacent Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected software

Hewlett Packard Enterprise (HPE)

Instant ON

Affected versions
>=0.0.0.0 <=3.4.1.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/29/2026, 19:51:33 UTC

Technical Analysis

This vulnerability involves buffer overflow flaws in the affected interface of HPE Instant ON Networking APS devices. An unauthenticated attacker with adjacent network access can exploit these flaws to achieve remote code execution on the device's operating system. The vulnerability affects all versions from 0.0.0.0 through 3.4.1.0. The CVSS 3.1 vector indicates low attack complexity, no privileges required, no user interaction, and scope change, with high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation allows an unauthenticated adjacent attacker to execute arbitrary commands on the underlying operating system, potentially leading to full compromise of the affected device. This can result in complete loss of confidentiality, integrity, and availability of the device and its network functions.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor HPE advisories for updates. Until a fix is available, restrict adjacent network access to the affected interfaces where possible to reduce exposure.

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Technical Details

Data Version
5.2
Assigner Short Name
hpe
Date Reserved
2026-08-19T16:12:51.872Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6abc13a0680226ef682f7f0b

Added to database: 09/29/2026, 19:38:08 UTC

Last enriched: 09/29/2026, 19:51:33 UTC

Last updated: 09/30/2026, 03:38:32 UTC

Views: 10

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