Buffer Overflow Vulnerability in HPE Networking Instant ON APS
CVE-2026-76723

9.6CRITICAL

Key Information:

Vendor

HP (HP)

Status
Instant On
Vendor
CVE Published:
29 September 2026

What is CVE-2026-76723?

Buffer overflow vulnerabilities have been identified in the interface of HPE Networking Instant ON APS. These flaws can be exploited by an unauthenticated adjacent attacker, potentially leading to remote code execution. If successful, the attacker could gain the ability to execute arbitrary commands on the underlying operating system, posing significant risks to the affected systems.

Affected Version(s)

Instant ON 0.0.0.0 <= 3.4.1.0

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Internal security research (HPE Networking).
.