CVE-2026-79886
Unauthenticated Buffer Overflow Vulnerability leads to Denial-of-Service in AOS-8
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What happened?
An unauthenticated buffer overflow vulnerability exists in the PAPI protocol of AOS-8. Successful exploitation could allow an unauthenticated remote attacker to disrupt the availability of the affected service on the controller, with a limited impact to its integrity.
Affected software and versions
| Software | Version information | Fixed version |
|---|---|---|
| ArubaOS (AOS)Hewlett Packard Enterprise (HPE) | affected: 8.13.0.0 to ≤ 8.13.3.0; affected: 8.10.0.0 to ≤ 8.10.0.23 | See vendor advisory |
Version information comes from the source record and can include unaffected products and exceptions. Distribution packages may contain backported fixes: an older upstream version alone does not prove a server is affected.
Is it being exploited?
This CVE was not listed in the CISA catalogue at our last retrieval. This does not establish that exploitation is absent.
How to respond
- Confirm the product, installed package version, and any configuration requirements in the vendor advisory.
- Follow the vendor’s remediation or workaround guidance in the references below. Structured fixed-version data is unavailable here; the publisher’s description may include a fix or workaround.
- Restart affected services if required, then verify the running version. Known exploitation may warrant investigation as well as patching.