CVE-2026-73749: Unauthenticated Buffer Overflow Vulnerabilities lead to Remote Code Execution in AOS-CX

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-01 · updated 2026-09-22
Weakness: CWE-284

Description

Multiple vulnerabilities exist in a daemon of AOS-CX that may allow for improper processing of malformed input. An unauthenticated remote attacker could exploit these vulnerabilities by sending specially crafted packets to the affected service. Successful exploitation could result in remote code execution with elevated privileges.

Affected products

Hewlett Packard Enterprise (HPE) AOS-CX: before 10.10.1181; from 10.13.0000 before 10.13.1190; from 10.16.0000 before 10.16.1060; from 10.17.0000 before 10.17.1030; 10.18.0001 — fixed in 10.10.1181, 10.13.1190, 10.16.1060, 10.17.1030

How to fix

Upgrade to a fixed version: Hewlett Packard Enterprise (HPE) AOS-CX 10.10.1181, 10.13.1190, 10.16.1060, 10.17.1030. Check the vendor advisory for mitigations.

References

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

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