CVE-2026-23811— Unauthorized Bi-Directional Traffic Interception via L2/L3 Manipulation
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I. Basic Information for CVE-2026-23811
Vulnerability Information
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Vulnerability Title
Unauthorized Bi-Directional Traffic Interception via L2/L3 Manipulation
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
HPE Aruba Networking Wireless Operating System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HPE Aruba Networking Wireless Operating System是美国HPE公司的一个无线网络操作系统。 HPE Aruba Networking Wireless Operating System存在安全漏洞，该漏洞源于客户端隔离机制问题，可能导致攻击者绕过客户端间第2层通信限制并在第3层重定向流量，结合端口窃取攻击可能实现双向中间人攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hewlett Packard Enterprise (HPE) | HPE Aruba Networking Wireless Operating Systems (AOS-8 & AOS-10) | 10.8.0.0 | - |
II. Public POCs for CVE-2026-23811
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Hewlett Packard Enterprise (HPE) · 2026-03-04 · 6 CVEs total
| CVE-2026-23809 | 5.4 MEDIUM | MAC Address Spoofing leads to Inter-BSSID Isolation Bypass Resulting in Traffic Redirectio |
| CVE-2026-23808 | 5.4 MEDIUM | Client Isolation Bypass via GTK Manipulation |
| CVE-2026-23601 | 5.4 MEDIUM | Frame Injection via Shared GTK Allows Traffic Spoofing and Client Compromise |
| CVE-2026-23812 | 4.3 MEDIUM | Security Boundary Bypass via Routing Node Impersonation |
| CVE-2026-23810 | 4.3 MEDIUM | Cross-BSSID GTK Re-encryption and Traffic Injection |
IV. Related Vulnerabilities
Same vendor: Hewlett Packard Enterprise (HPE)
- CVE-2026-23818
Open Redirect Vulnerability in HPE Aruba Networking Private - CVE-2026-23817
Unauthenticated Open Redirect allows URL Manipulation in Web - CVE-2026-23816
Authenticated Command Injection found in admin AOS-CX CLI co - CVE-2026-23815
Authenticated Command Injection found in AOS-CX Administrati - CVE-2026-23814
Authenticated Command Injection found in AOS-CX CLI Command
V. Comments for CVE-2026-23811
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