CVE-2026-76738

Low

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.

SeverityLow
CVSS2.7
Exploit probability—
ProductInstant ON
PublishedSep 29, 2026
First seenSep 29, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Hewlett Packard Enterprise (HPE) Instant ONv ≤ 3.4.1.0—

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CVE-2026-76738 · Instant ON · Dark Radar