CVE-2026-73773: Unauthenticated Denial-of-Service (DoS) Vulnerability in AOS-CX
Published Sep 1, 2026
·Updated
An unauthenticated Denial-of-Service (DoS) vulnerability exists in the API endpoint of AOS-CX. Successful exploitation of this vulnerability results in the ability to interrupt the normal operation of the affected service.
Affected Software
1 affected component
AOS-CX
Event History
Sep 1, 2026
CVE Published
via MITRE·08:28 PM
Data Sourced
via MITRE·08:28 PM
DescriptionSeverity
Frequently Asked Questions
1
What must an attacker be able to reach to exploit this issue?
An attacker needs network access to the affected AOS-CX API endpoint. No authentication or user interaction is required.
2
What is the expected impact of successful exploitation?
Successful exploitation can interrupt normal operation of the affected service, resulting in a denial of service. The provided severity vector indicates no stated confidentiality or integrity impact.
3
How urgent is remediation?
This issue is rated high with a 7.5 severity score and has low attack complexity. Prioritize systems whose API endpoints are reachable by untrusted networks.