CVE-2026-76730

Improper PAPI Packet handling leads to unauthorized access in HPE Networking Instant ON APs

Published Sep 29, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
An authentication bypass vulnerability exists in the PAPI protocol of HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to circumvent certain existing authentication mechanisms and send unauthorized network traffic to the target device.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) instant On
Vendors & Products Hewlett Packard Enterprise (hpe)
Hewlett Packard Enterprise (hpe) instant On
Type Values Removed Values Added
Weaknesses CWE-287
Type Values Removed Values Added
Description An authentication bypass vulnerability exists in the PAPI protocol of HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to circumvent existing authentication controls. Successful exploitation could allow an attacker to circumvent certain existing authentication mechanisms and send unauthorized network traffic to the target device.
Title Improper PAPI Packet handling leads to unauthorized access in HPE Networking Instant ON APs
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hpe
Published
Updated
Sep 30, 2026, 8:18 PM
Reserved
Aug 19, 2026, 4:13 PM
Status
Awaiting Analysis
Published
Sep 29, 2026, 8:17 PM
Modified
Sep 30, 2026, 9:17 PM