Authentication Bypass Flaw in HPE AOS-CX Switches
CVE-2026-73777

8.1HIGH

Key Information:

Vendor

HP (HP)

Status
Aos-cx
Vendor
CVE Published:
1 September 2026

What is CVE-2026-73777?

Multiple vulnerabilities have been found in the API endpoint of HPE AOS-CX switches. These flaws could potentially allow unauthenticated remote attackers to bypass existing authentication mechanisms, leading to unauthorized access and manipulation of switch configurations. Users of AOS-CX series must ensure proper security configurations are in place to mitigate the risk presented by this vulnerability.

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:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
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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