---
id: CVE-2026-73783
title: Stack overflow vulnerabilities exist in an API endpoint of AOS-CX
summary: >-
  Stack overflow vulnerabilities exist in an API endpoint of AOS-CX. Successful
  exploitation could allow an authenticated malicious actor to cause a
  denial-of-service condition on the affected system.
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-121
vendor: hpe
product: arubaos-cx
affected:
  - arubaos-cx <= 10.10.1180
  - 'arubaos-cx >= 10.13.0000, <= 10.13.1180'
  - 'arubaos-cx >= 10.16.0000, <= 10.16.1051'
  - 'arubaos-cx >= 10.17.0000, <= 10.17.1021'
  - arubaos-cx = 10.18.0001
published: '2026-09-01'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T18:42:19.097'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73783'
references:
  - url: >-
      https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US
    label: security-alert@hpe.com
tags:
  - nvd
epss: 0.00438
epssPercentile: 0.35855
ingestedAt: '2026-10-05T19:30:59.962Z'
---

## Overview

Stack overflow vulnerabilities exist in an API endpoint of AOS-CX. Successful exploitation could allow an authenticated malicious actor to cause a denial-of-service condition on the affected system.

## Affected

- `arubaos-cx <= 10.10.1180`
- `arubaos-cx >= 10.13.0000, <= 10.13.1180`
- `arubaos-cx >= 10.16.0000, <= 10.16.1051`
- `arubaos-cx >= 10.17.0000, <= 10.17.1021`
- `arubaos-cx = 10.18.0001`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.