# CVE-2026-76723: HPE Networking Instant ON APS buffer overflow

Source: https://junglewise.ai/threats/cve-2026-76723-buffer-overflow-vulnerabilities-exist-in-the-affected-interface  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-29. Updated: 2026-09-29  
License: CC BY 4.0 with a link back

CVE-2026-76723 · Severity: critical · CVSS 9.6 · Published 2026-09-29

HPE Networking Instant ON APS is a wireless access point system used to manage and secure corporate networks. A buffer overflow vulnerability in its network interface allows attackers on the local network to execute arbitrary commands without authentication, potentially giving them complete control over the access point and network access.

Technologies: [Hpe Networking Instant ON APs](https://junglewise.ai/threats/technologies/networking-instant-on-aps). Vendors: [Hpe](https://junglewise.ai/threats/vendors/hpe).

## Quick answers

**Is CVE-2026-76723 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-76723 being exploited in the wild.

**How severe is CVE-2026-76723?** Critical severity, with a CVSS score of 9.6, published 29 September 2026.

**Which products and versions are affected?** HPE Networking Instant ON APS.

**Is there a fix for CVE-2026-76723?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-76723 attacked?** It is attacked from the adjacent network, in a network appliance.

**Am I affected by CVE-2026-76723?** Check whether you run Hpe Networking Instant ON APs. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A buffer overflow exists in an affected network interface of HPE Networking Instant ON APS that can be exploited via an adjacent network vector without authentication. Successful exploitation grants remote code execution with operating system-level privileges, allowing arbitrary command execution on the affected device.

## Affected products

- HPE Networking Instant ON APS

## Timeline

- 2026-09-29: disclosed

## References

- [https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US](https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US)

## Related threats

- [HPE Networking Instant ON APs format string vulnerability in API endpoint](https://junglewise.ai/threats/cve-2026-76729-a-format-string-vulnerability-in-the-api-endpoint-of-hpe)
- [HPE Networking Instant ON APs authentication bypass in management protocol](https://junglewise.ai/threats/cve-2026-76725-a-vulnerability-has-been-identified-in-a-management-protocol-of)
- [HPE Networking Instant ON APs format string vulnerability](https://junglewise.ai/threats/cve-2026-76722-uncontrolled-format-string-vulnerabilities-exist-in-the-affected)