CVE-2026-76721: Vulnerability in Hewlett Packard Enterprise (HPE) Instant ON
Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.
AI Analysis
Technical Summary
This vulnerability is a buffer overflow in an interface of HPE Instant ON networking devices. An unauthenticated remote attacker can exploit this flaw to run arbitrary code on the underlying host with privileged user rights. The affected versions are from 0.0.0.0 through 3.4.1.0. The CVSS 3.1 score of 9.8 reflects the critical nature of this vulnerability, with high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is provided in the input data.
Potential Impact
Successful exploitation allows remote unauthenticated attackers to execute arbitrary code as a privileged user on the underlying operating system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is available, restrict network access to the affected interface and monitor for suspicious activity related to this vulnerability.
CVE-2026-76721: Vulnerability in Hewlett Packard Enterprise (HPE) Instant ON
Description
Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.
CVSS v3.1
Score 9.8critical
Affected software
Hewlett Packard Enterprise (HPE)
Instant ON
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a buffer overflow in an interface of HPE Instant ON networking devices. An unauthenticated remote attacker can exploit this flaw to run arbitrary code on the underlying host with privileged user rights. The affected versions are from 0.0.0.0 through 3.4.1.0. The CVSS 3.1 score of 9.8 reflects the critical nature of this vulnerability, with high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is provided in the input data.
Potential Impact
Successful exploitation allows remote unauthenticated attackers to execute arbitrary code as a privileged user on the underlying operating system, potentially leading to full system compromise. The vulnerability impacts confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch or official fix is available, restrict network access to the affected interface and monitor for suspicious activity related to this vulnerability.
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: 6abc13a0680226ef682f7f09
Added to database: 09/29/2026, 19:38:08 UTC
Last enriched: 09/29/2026, 19:52:21 UTC
Last updated: 09/30/2026, 03:38:32 UTC
Views: 10
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