Vulnerability · Published Mar 4, 2026 · Assigned by hpe
CVE-2026-23811Unauthorized Bi-Directional Traffic Interception via L2/L3 Manipulation
Medium 4.3
In plain English
A medium-severity security flaw in HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) from Hewlett Packard Enterprise (HPE). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official description
A vulnerability in the client isolation mechanism may allow an attacker to bypass Layer 2 (L2) communication restrictions between clients and redirect traffic at Layer 3 (L3). In addition to bypassing policy enforcement, successful exploitation - when combined with a port-stealing attack - may enable a bi-directional Machine-in-the-Middle (MitM) attack.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Hewlett Packard Enterprise (HPE) | HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) | 10.8.0.010.7.0.0 – through 10.7.2.210.4.0.0 – through 10.4.1.108.13.0.0 – through 8.13.1.18.12.0.0 – through 8.12.0.68.10.0.0 – through 8.10.0.21 |
Weakness: CWE-300 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N