Buffer overflow in Hewlett Packard Enterprise (HPE) Aos-Cx
CVE-2026-73774
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.
EPSS exploit prediction
EPSS: 0.003 (20.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 20.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Hewlett Packard Enterprise (HPE) Aos-Cx
- HPE Arubaos-Cx — versions 10.18.0001
Weakness classification (CWE)
References
- support.hpe.com/hpesc/public/docDisplay (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-73774?
- CVE-2026-73774 is a high-severity vulnerability in Hewlett Packard Enterprise (HPE) Aos-Cx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.6/10. Published 2026-09-01.
- How severe is CVE-2026-73774?
- High severity. CVSS v3 base score is 7.6 out of 10.