Unauthenticated Denial-of-Service Vulnerability in HPE AOS-CX
CVE-2026-73773

7.5HIGH

Key Information:

Vendor

HP (HP)

Status
Aos-cx
Vendor
CVE Published:
1 September 2026

What is CVE-2026-73773?

A vulnerability exists in the API endpoint of HPE AOS-CX that allows unauthenticated attackers to disrupt the normal operation of the affected service. Successful exploitation can lead to a complete service outage, hampering network operations. Organizations utilizing AOS-CX should evaluate their security policies and implement necessary mitigations to minimize the risk of exploitation.

Affected Version(s)

AOS-CX 10.18.0000 <= 10.18.0001

AOS-CX 10.18.0000 <= 10.18.0001

AOS-CX 10.17.0000 <= 10.17.1021

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpe...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability was discovered by internal security research at HPE Networking.
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