How to Fix CVE-2026-23809: HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-23809 is a sibling vulnerability in the same vendor advisory as CVE-2026-23601. Apply the same patched build and you close both. The technical detail below is what differs.
| Severity | 5.4 (Medium) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 10.8.0.0; HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 10.7.0.0 to <=10.7.2.2; HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 10.4.0.0 to <=10.4.1.10; HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 8.13.0.0 to <=8.13.1.1; HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 8.12.0.0 to <=8.12.0.6; HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) 8.10.0.0 to <=8.10.0.21 |
| Fixed in | Same patched build as CVE-2026-23601 |
| Type (CWE) | CWE-400 Uncontrolled Resource Consumption |
What's different about CVE-2026-23809?
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.
How to fix CVE-2026-23809
Apply the patched build per the primary write-up: How to Fix CVE-2026-23601. All commands, verification steps, and rollback notes for HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) are listed there.
Frequently asked questions
Does the CVE-2026-23601 patch close CVE-2026-23809?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-23809 listed in CISA KEV?
No public KEV listing at the time of this writing.
Where is the official advisory?
See https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05026en_us&docLocale=en_US
References
- Official vendor advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05026en_us&docLocale=en_US
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-23809
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-23601
*Written by Sai Kiran Pandrala. Part of the HPE Aruba Networking Wireless Operating System (AOS-10 & AOS-8) bundle. Full procedure at how-to-fix-cve-2026-23601.*