CVE-2026-73773: Unauthenticated Denial-of-Service (DoS) Vulnerability in AOS-CX

Q: 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.

Q: 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.

Q: 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.

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

161 affected components

AOS-CX

All of the following

Any of the following

HPE Arubaos-cx<=10.10.1180

HPE Arubaos-cx>=10.13.0000<=10.13.1180

HPE Arubaos-cx>=10.16.0000<=10.16.1051

HPE Arubaos-cx>=10.17.0000<=10.17.1021

HPE Arubaos-cx=10.18.0001

Any of the following

HPE Aruba Cx 10000-48y6c \(r8p13a\)

HPE Aruba Cx 10000-48y6c \(r8p14a\)

HPE Aruba Cx 10000-48y6c \(s0f98a\)

HPE Aruba Cx 10040 \(s4r58a\)

HPE Aruba Cx 10040 32p \(s4r54a\)

HPE Aruba Cx 10040 32p \(s4r55a\)

HPE Aruba Cx 10040 32p \(s4r56a\)

HPE Aruba Cx 4100i 12-port \(jl817a\)

HPE Aruba Cx 4100i 24-port \(jl818a\)

HPE Aruba Cx 6000 12g \(r8n89a\)

HPE Aruba Cx 6000 12p \(r8n89b\)

HPE Aruba Cx 6000 12p \(s4r21a\)

HPE Aruba Cx 6000 24g \(r8n87a\)

HPE Aruba Cx 6000 24g \(r8n88a\)

HPE Aruba Cx 6000 24p \(r8n87b\)

HPE Aruba Cx 6000 24p \(r8n88b\)

HPE Aruba Cx 6000 24p \(s4r26a\)

HPE Aruba Cx 6000 24p \(s4r27a\)

HPE Aruba Cx 6000 48g \(r8n85a\)

HPE Aruba Cx 6000 48g \(r8n86a\)

HPE Aruba Cx 6000 48g \(r9y03a\)

HPE Aruba Cx 6000 48p \(r8n85b\)

HPE Aruba Cx 6000 48p \(r8n86b\)

HPE Aruba Cx 6000 48p \(r9y03b\)

HPE Aruba Cx 6000 48p \(s4r20a\)

HPE Aruba Cx 6000 48p \(s4r24a\)

HPE Aruba Cx 6000 48p \(s4r25a\)

HPE Aruba Cx 6000 8p \(s4r22a\)

HPE Aruba Cx 6000 8p \(s4r23a\)

HPE Aruba Cx 6000 8p \(s4r28a\)

HPE Aruba Cx 6000 8p \(s4r29a\)

HPE Aruba Cx 6100 12g \(jl679a\)

HPE Aruba Cx 6100 24g \(jl677a\)

HPE Aruba Cx 6100 24g \(jl678a\)

HPE Aruba Cx 6100 48g \(jl675a\)

HPE Aruba Cx 6100 48g \(jl676a\)

HPE Aruba Cx 6100 48g \(r9y04a\)

HPE Aruba Cx 6200f 12g \(r8q72a\)

HPE Aruba Cx 6200f 12g \(r8v13a\)

HPE Aruba Cx 6200f 24g \(jl724b\)

HPE Aruba Cx 6200f 24g \(jl725b\)

HPE Aruba Cx 6200f 24g \(s0g13a\)

HPE Aruba Cx 6200f 24g \(s0g14a\)

HPE Aruba Cx 6200f 24g \(s0m81a\)

HPE Aruba Cx 6200f 24g \(s0m82a\)

HPE Aruba Cx 6200f 24g \(s0m86a\)

HPE Aruba Cx 6200f 24g \(s0m87a\)

HPE Aruba Cx 6200f 48g \(jl726b\)

HPE Aruba Cx 6200f 48g \(jl727b\)

HPE Aruba Cx 6200f 48g \(jl728b\)

HPE Aruba Cx 6200f 48g \(s0g15a\)

HPE Aruba Cx 6200f 48g \(s0g16a\)

HPE Aruba Cx 6200f 48g \(s0g17a\)

HPE Aruba Cx 6200f 48g \(s0m83a\)

HPE Aruba Cx 6200f 48g \(s0m84a\)

HPE Aruba Cx 6200f 48g \(s0m85a\)

HPE Aruba Cx 6200f 48g \(s0m88a\)

HPE Aruba Cx 6200f 48g \(s0m89a\)

HPE Aruba Cx 6200f 48g \(s0m90a\)

HPE Aruba Cx 6200m 24g \(r8q67a\)

HPE Aruba Cx 6200m 24g \(r8q68a\)

HPE Aruba Cx 6200m 24g \(r8v08a\)

HPE Aruba Cx 6200m 24g \(r8v09a\)

HPE Aruba Cx 6200m 36g \(r8q71a\)

HPE Aruba Cx 6200m 36g \(r8v12a\)

HPE Aruba Cx 6200m 48g \(r8q69a\)

HPE Aruba Cx 6200m 48g \(r8q70a\)

HPE Aruba Cx 6200m 48g \(r8v10a\)

HPE Aruba Cx 6200m 48g \(r8v11a\)

HPE Aruba Cx 6300f 24 \(jl666a\)

HPE Aruba Cx 6300f 24 \(jl668a\)

HPE Aruba Cx 6300f 24p \(s0g96a\)

HPE Aruba Cx 6300f 24p \(s0g98a\)

HPE Aruba Cx 6300f 48 \(jl665a\)

HPE Aruba Cx 6300f 48 \(jl667a\)

HPE Aruba Cx 6300f 48p \(s0g95a\)

HPE Aruba Cx 6300f 48p \(s0g97a\)

HPE Aruba Cx 6300m 16p \(s4p41a\)

HPE Aruba Cx 6300m 16p \(s4p45a\)

HPE Aruba Cx 6300m 24 \(jl658a\)

HPE Aruba Cx 6300m 24 \(jl660a\)

HPE Aruba Cx 6300m 24 \(jl662a\)

HPE Aruba Cx 6300m 24 \(jl664a\)

HPE Aruba Cx 6300m 24p \(r8s89a\)

HPE Aruba Cx 6300m 24p \(r8s92a\)

HPE Aruba Cx 6300m 24p \(s0f99a\)

HPE Aruba Cx 6300m 24p \(s0g01a\)

HPE Aruba Cx 6300m 24p \(s0g03a\)

HPE Aruba Cx 6300m 24p \(s0g05a\)

HPE Aruba Cx 6300m 24p \(s4p44a\)

HPE Aruba Cx 6300m 24p \(s4p48a\)

HPE Aruba Cx 6300m 24p \(s5z46a\)

HPE Aruba Cx 6300m 32p \(s4p42a\)

HPE Aruba Cx 6300m 32p \(s4p46a\)

HPE Aruba Cx 6300m 48 \(jl659a\)

HPE Aruba Cx 6300m 48 \(jl661a\)

HPE Aruba Cx 6300m 48 \(jl663a\)

HPE Aruba Cx 6300m 48 \(jl762a\)

HPE Aruba Cx 6300m 48p \(r8s90a\)

HPE Aruba Cx 6300m 48p \(s0g00a\)

HPE Aruba Cx 6300m 48p \(s0g02a\)

HPE Aruba Cx 6300m 48p \(s0g04a\)

HPE Aruba Cx 6300m 48p \(s0g06a\)

HPE Aruba Cx 6300m 48p \(s0x44a\)

HPE Aruba Cx 6300m 48p \(s4p43a\)

HPE Aruba Cx 6300m 48p \(s4p47a\)

HPE Aruba Cx 6300m 48sr5 \(r8s91a\)

HPE Aruba Cx 6405 \(r0x26a\)

HPE Aruba Cx 6405 48sfp\+8sfp56 \(r0x30a\)

HPE Aruba Cx 6405 96g \(r0x29a\)

HPE Aruba Cx 6405 V2 \(r0x26c\)

HPE Aruba Cx 6410 \(r0x27a\)

HPE Aruba Cx 6410 96g \(jl741a\)

HPE Aruba Cx 6410 V2 \(r0x27c\)

HPE Aruba Cx 8320 32 \(jl579a\)

HPE Aruba Cx 8320 48 \(jl479a\)

HPE Aruba Cx 8320 48 \(jl581a\)

HPE Aruba Cx 8325-32c \(jl626a\)

HPE Aruba Cx 8325-32c \(jl627a\)

HPE Aruba Cx 8325-48y8c \(jl624a\)

HPE Aruba Cx 8325-48y8c \(jl625a\)

HPE Aruba Cx 8325-48y8c \(jl858a\)

HPE Aruba Cx 8325h-16c \(s4b22a\)

HPE Aruba Cx 8325h-16c \(s4b24a\)

HPE Aruba Cx 8325h-18y4c \(s4b21a\)

HPE Aruba Cx 8325h-18y4c \(s4b23a\)

HPE Aruba Cx 8325p-32c \(s0g07a\)

HPE Aruba Cx 8325p-32c \(s0g08a\)

HPE Aruba Cx 8360-12c \(jl708c\)

HPE Aruba Cx 8360-12c \(jl709c\)

HPE Aruba Cx 8360-16y2c \(jl702c\)

HPE Aruba Cx 8360-16y2c \(jl703c\)

HPE Aruba Cx 8360-24xf2c \(jl710c\)

HPE Aruba Cx 8360-24xf2c \(jl711c\)

HPE Aruba Cx 8360-32y4c \(jl700c\)

HPE Aruba Cx 8360-32y4c \(jl701c\)

HPE Aruba Cx 8360-48xt4c \(jl706c\)

HPE Aruba Cx 8360-48xt4c \(jl707c\)

HPE Aruba Cx 8360-48y6c \(jl704c\)

HPE Aruba Cx 8360-48y6c \(jl705c\)

HPE Aruba Cx 8400 \(jl376a\)

HPE Aruba Cx 8400 8-slot Chassis \(jl375a\)

HPE Aruba Cx 9300 \(r8z97a\)

HPE Aruba Cx 9300 \(r8z98a\)

HPE Aruba Cx 9300 \(r8z99a\)

HPE Aruba Cx 9300 \(r9a00a\)

HPE Aruba Cx 9300 32d \(r8z96a\)

HPE Aruba Cx 9300 32d \(r9a29a\)

HPE Aruba Cx 9300 32d \(r9a30a\)

HPE Aruba Cx 9300s 32p \(s0f81a\)

HPE Aruba Cx 9300s 32p \(s0f82a\)

HPE Aruba Cx 9300s 32p \(s0f83a\)

HPE Aruba Cx 9300s 32p \(s0f84a\)

HPE Aruba Cx 9300s 32p \(s0f87a\)

HPE Aruba Cx 9300s 32p \(s0f88a\)

Remediation

Patch Available

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US

Event History

Sep 1, 2026

CVE Published

via MITRE·08:28 PM

Data Sourced

via MITRE·08:28 PM

DescriptionSeverity

Data Sourced

via NVD·09:18 PM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What must an attacker be able to reach to exploit this issue?