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Vulnerability record · CVE-2026-73774 · published 1 September 2026

CVE-2026-73774: Hpe arubaos-cx classic buffer overflow vulnerability

Hpe · Arubaos Cx

A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.

7.6 CVSS 3.1 High EPSS 0.29% · top 80.5% CWE-120 · Classic buffer overflow
7.6CVSS 3.1 base score
0.29%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
4 Sep 2026Last modified by NVD

Description

A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-73778Hpe arubaos-cx weak password requirements vulnerabilityA vulnerability exists in the Credential Manager component that may allow for unauthorized administrative access. An unauthenticated remote attacker …EPSS 0.51%9.8CVE-2026-73749Hpe arubaos-cx improper access control vulnerabilityMultiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input. An unauthenticated remote attacker co…EPSS 0.82%9.8CVE-2026-23813Hpe arubaos-cx improper authentication vulnerabilityA vulnerability has been identified in the web-based management interface of AOS-CX switches that could potentially allow an unauthenticated remote a…EPSS 0.74%8.8CVE-2026-73782Hpe arubaos-cx vulnerabilityA format string vulnerability exists in the command line interface of AOS-CX that could lead to unauthenticated remote code execution. Successful exp…EPSS 0.42%8.8CVE-2026-73763Hpe arubaos-cx command injection vulnerabilityA vulnerability exists in a management component that could allow an unauthenticated adjacent attacker to execute arbitrary commands. Successful expl…EPSS 0.48%8.8CVE-2026-73750Hpe arubaos-cx improper access control vulnerabilityVulnerabilities exist in the authentication module that may improperly process malformed or truncated input. An authenticated remote attacker could e…EPSS 0.80%8.8CVE-2026-73751Hpe arubaos-cx command injection vulnerabilityAn authenticated user with low-privileged access could submit crafted input through the web-based management interface to execute arbitrary commands …EPSS 0.66%8.8CVE-2026-73752Hpe arubaos-cx path traversal vulnerabilityAn unauthenticated arbitrary file write vulnerability exists in an API endpoint of AOS-CX. Successful exploitation of this vulnerability allows an at…EPSS 0.47%

Source: NIST National Vulnerability Database (record CVE-2026-73774), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.