Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API Endpoint

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-76729
StatePUBLISHED
Assignerhpe
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-29 20:17:25 UTC
Updated2026-10-01 04:18:20 UTC
DescriptionA format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attacker with high privileges to cause memory corruption with a modified input. Successful exploitation could allow an attacker to provoke a denial-of-service condition or remote code execution in the affected system function.

Risk And Classification

Primary CVSS: v3.1 6.6 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.004230000 probability, percentile 0.343070000 (date 2026-10-01)

Problem Types: CWE-134 | CWE-134 CWE-134 Use of Externally-Controlled Format String

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS6.6MEDIUMCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Hewlett Packard Enterprise HPE Instant ON affected 0.0.0.0 3.4.1.0 semver Not specified

References

ReferenceSourceLinkTags
support.hpe.com/hpesc/public/docDisplay [email protected] support.hpe.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Internal security research (HPE Networking). (en)

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