CVE-2026-76730: HPE Networking Instant ON authentication bypass in PAPI protocol

CVE-2026-76730 · Severity: medium · CVSS 6.5 · Published 2026-09-29

HPE Networking Instant ON APs are wireless access points used to provide network connectivity in enterprise environments. An authentication bypass vulnerability in the PAPI protocol allows an attacker within wireless range to gain unauthorized access to the device without valid credentials, potentially enabling network misconfiguration or unauthorized data transmission.

Technologies: Hpe Networking Instant On. Vendors: Hpe.

Quick answers

Is CVE-2026-76730 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76730 being exploited in the wild.
How severe is CVE-2026-76730?
Medium severity, with a CVSS score of 6.5, published 29 September 2026.
Which products and versions are affected?
Hpe Networking Instant On <UNKNOWN>.
Is there a fix for CVE-2026-76730?
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-2026-76730 attacked?
It is attacked from the adjacent network, in a network appliance.
Am I affected by CVE-2026-76730?
Check whether you run Hpe Networking Instant On at an affected version. 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

The PAPI protocol in HPE Networking Instant ON APs contains an authentication bypass flaw that allows an unauthenticated adjacent attacker to circumvent existing authentication controls. The vulnerability requires the attacker to be in wireless proximity to the target device. Successful exploitation grants the ability to send unauthorized network traffic and potentially reconfigure the device.

Affected products

  • HPE Networking Instant ON <UNKNOWN>

Timeline

  • 2026-09-29: disclosed

References

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