CVE-2026-23826: Unauthenticated Denial of Service in AOS-8 Network Management Service

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-12 · updated 2026-10-26
Weakness: CWE-770

Description

A vulnerability in a network management service of AOS-8 Operating System could allow an unauthenticated remote attacker to exploit this vulnerability by sending specially crafted network packets to the affected device, potentially resulting in a denial-of-service condition. Successful exploitation could cause the affected service process to terminate unexpectedly, disrupting normal device operations.

Affected products

Hewlett Packard Enterprise (HPE) ArubaOS (AOS): from 6.5.4.0 before 8.10.0.22; from 8.11.0.0 before 8.12.0.7; from 8.13.0.0 before 8.13.1.2 — fixed in 8.10.0.22, 8.12.0.7, 8.13.1.2
Arubanetworks Sd-Wan: from 8.6.0.4-2.2.0.0 through 8.6.0.4-2.2.0.7; from 8.7.0.0-2.3.0.0 through 8.7.0.0-2.3.0.9

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) ArubaOS (AOS) 8.10.0.22, 8.12.0.7, 8.13.1.2. Check the vendor advisory for mitigations.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05048en_us&docLocale=en_US

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