Unauthenticated Arbitrary File Write Vulnerability in AOS-CX by HPE
CVE-2026-73752

8.8HIGH

Key Information:

Vendor

HP (HP)

Status
Vendor
CVE Published:
1 September 2026

What is CVE-2026-73752?

A critical security issue exists in the AOS-CX platform, where an unauthenticated attacker can exploit a vulnerable API endpoint to write arbitrary files to the underlying operating system. This unauthorized file write capability poses a significant risk, potentially allowing the execution of arbitrary code, which could severely compromise system integrity and availability. Organizations using AOS-CX must assess their exposure to this vulnerability and implement necessary patches or mitigations.

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent 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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