HPE AOS-CX up to 10.18.0001 buffer overflow

Summaryinfo

A vulnerability described as very critical has been identified in HPE AOS-CX up to 10.10.1180/10.13.1180/10.16.1051/10.17.1021/10.18.0001. This affects an unknown function. The manipulation results in buffer overflow. This vulnerability was named CVE-2026-73774. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in HPE AOS-CX up to 10.10.1180/10.13.1180/10.16.1051/10.17.1021/10.18.0001. It has been classified as very critical. Affected is an unknown code block. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at support.hpe.com. This vulnerability is traded as CVE-2026-73774 since 08/13/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 09/01/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• HPE

Name

• AOS-CX

Version

• 10.10.1180
• 10.13.1180
• 10.16.1051
• 10.17.1021
• 10.18.0001

License

• commercial

Website

• Vendor: https://www.hpe.com/

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