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CVE-2026-73774

Unauthenticated Buffer Overflow Vulnerability leads to Sensitive Information Disclosure in AOS-CX

HIGH
7.6
CVSS Score
Published: September 1, 2026 at 08:28 PM UTC
Updated: September 4, 2026 at 03:36 PM UTC
157 products affected across 2 vendorsArubaos CxAruba Cx 9300S 32P (S0F84A)Aruba Cx 9300 32D (R9A29A)

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Severity
HIGH7.6
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by sending specially crafted packets to the affected system. Successful exploitation of this vulnerability could result in limited disclosure or modification of information and disruption of the affected system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Arubaos Cx· HPE
95%
v ≤ 10.10.118010.13.0000 ≤ v ≤ 10.13.118010.16.0000 ≤ v ≤ 10.16.105110.17.0000 ≤ v ≤ 10.17.102110.18.0001
hpe-aruba-cx-10000-48y6c-r8p13a (environment) · hpe-aruba-cx-10000-48y6c-r8p14a (environment) · hpe-aruba-cx-10000-48y6c-s0f98a (environment) · hpe-aruba-cx-10040-32p-s4r54a (environment) · hpe-aruba-cx-10040-32p-s4r55a (environment) · hpe-aruba-cx-10040-32p-s4r56a (environment) · hpe-aruba-cx-10040-s4r58a (environment) · hpe-aruba-cx-4100i-12-port-jl817a (environment) · hpe-aruba-cx-4100i-24-port-jl818a (environment) · hpe-aruba-cx-6000-12g-r8n89a (environment) · hpe-aruba-cx-6000-12p-r8n89b (environment) · hpe-aruba-cx-6000-12p-s4r21a (environment) · hpe-aruba-cx-6000-24g-r8n87a (environment) · hpe-aruba-cx-6000-24g-r8n88a (environment) · hpe-aruba-cx-6000-24p-r8n87b (environment) · hpe-aruba-cx-6000-24p-r8n88b (environment) · hpe-aruba-cx-6000-24p-s4r26a (environment) · hpe-aruba-cx-6000-24p-s4r27a (environment) · hpe-aruba-cx-6000-48g-r8n85a (environment) · hpe-aruba-cx-6000-48g-r8n86a (environment) · hpe-aruba-cx-6000-48g-r9y03a (environment) · hpe-aruba-cx-6000-48p-r8n85b (environment) · hpe-aruba-cx-6000-48p-r8n86b (environment) · hpe-aruba-cx-6000-48p-r9y03b (environment) · hpe-aruba-cx-6000-48p-s4r20a (environment) · hpe-aruba-cx-6000-48p-s4r24a (environment) · hpe-aruba-cx-6000-48p-s4r25a (environment) · hpe-aruba-cx-6000-8p-s4r22a (environment) · hpe-aruba-cx-6000-8p-s4r23a (environment) · hpe-aruba-cx-6000-8p-s4r28a (environment) · hpe-aruba-cx-6000-8p-s4r29a (environment) · hpe-aruba-cx-6100-12g-jl679a (environment) · hpe-aruba-cx-6100-24g-jl677a (environment) · hpe-aruba-cx-6100-24g-jl678a (environment) · hpe-aruba-cx-6100-48g-jl675a (environment) · hpe-aruba-cx-6100-48g-jl676a (environment) · hpe-aruba-cx-6100-48g-r9y04a (environment) · hpe-aruba-cx-6200f-12g-r8q72a (environment) · hpe-aruba-cx-6200f-12g-r8v13a (environment) · hpe-aruba-cx-6200f-24g-jl724b (environment) · hpe-aruba-cx-6200f-24g-jl725b (environment) · hpe-aruba-cx-6200f-24g-s0g13a (environment) · hpe-aruba-cx-6200f-24g-s0g14a (environment) · hpe-aruba-cx-6200f-24g-s0m81a (environment) · hpe-aruba-cx-6200f-24g-s0m82a (environment) · hpe-aruba-cx-6200f-24g-s0m86a (environment) · hpe-aruba-cx-6200f-24g-s0m87a (environment) · hpe-aruba-cx-6200f-48g-jl726b (environment) · hpe-aruba-cx-6200f-48g-jl727b (environment) · hpe-aruba-cx-6200f-48g-jl728b (environment) · hpe-aruba-cx-6200f-48g-s0g15a (environment) · hpe-aruba-cx-6200f-48g-s0g16a (environment) · hpe-aruba-cx-6200f-48g-s0g17a (environment) · hpe-aruba-cx-6200f-48g-s0m83a (environment) · hpe-aruba-cx-6200f-48g-s0m84a (environment) · hpe-aruba-cx-6200f-48g-s0m85a (environment) · hpe-aruba-cx-6200f-48g-s0m88a (environment) · hpe-aruba-cx-6200f-48g-s0m89a (environment) · hpe-aruba-cx-6200f-48g-s0m90a (environment) · hpe-aruba-cx-6200m-24g-r8q67a (environment) · hpe-aruba-cx-6200m-24g-r8q68a (environment) · hpe-aruba-cx-6200m-24g-r8v08a (environment) · hpe-aruba-cx-6200m-24g-r8v09a (environment) · hpe-aruba-cx-6200m-36g-r8q71a (environment) · hpe-aruba-cx-6200m-36g-r8v12a (environment) · hpe-aruba-cx-6200m-48g-r8q69a (environment) · hpe-aruba-cx-6200m-48g-r8q70a (environment) · hpe-aruba-cx-6200m-48g-r8v10a (environment) · hpe-aruba-cx-6200m-48g-r8v11a (environment) · hpe-aruba-cx-6300f-24-jl666a (environment) · hpe-aruba-cx-6300f-24-jl668a (environment) · hpe-aruba-cx-6300f-24p-s0g96a (environment) · hpe-aruba-cx-6300f-24p-s0g98a (environment) · hpe-aruba-cx-6300f-48-jl665a (environment) · hpe-aruba-cx-6300f-48-jl667a (environment) · hpe-aruba-cx-6300f-48p-s0g95a (environment) · hpe-aruba-cx-6300f-48p-s0g97a (environment) · hpe-aruba-cx-6300m-16p-s4p41a (environment) · hpe-aruba-cx-6300m-16p-s4p45a (environment) · hpe-aruba-cx-6300m-24-jl658a (environment) · hpe-aruba-cx-6300m-24-jl660a (environment) · hpe-aruba-cx-6300m-24-jl662a (environment) · hpe-aruba-cx-6300m-24-jl664a (environment) · hpe-aruba-cx-6300m-24p-r8s89a (environment) · hpe-aruba-cx-6300m-24p-r8s92a (environment) · hpe-aruba-cx-6300m-24p-s0f99a (environment) · hpe-aruba-cx-6300m-24p-s0g01a (environment) · hpe-aruba-cx-6300m-24p-s0g03a (environment) · hpe-aruba-cx-6300m-24p-s0g05a (environment) · hpe-aruba-cx-6300m-24p-s4p44a (environment) · hpe-aruba-cx-6300m-24p-s4p48a (environment) · hpe-aruba-cx-6300m-24p-s5z46a (environment) · hpe-aruba-cx-6300m-32p-s4p42a (environment) · hpe-aruba-cx-6300m-32p-s4p46a (environment) · hpe-aruba-cx-6300m-48-jl659a (environment) · hpe-aruba-cx-6300m-48-jl661a (environment) · hpe-aruba-cx-6300m-48-jl663a (environment) · hpe-aruba-cx-6300m-48-jl762a (environment) · hpe-aruba-cx-6300m-48p-r8s90a (environment) · hpe-aruba-cx-6300m-48p-s0g00a (environment) · hpe-aruba-cx-6300m-48p-s0g02a (environment) · hpe-aruba-cx-6300m-48p-s0g04a (environment) · hpe-aruba-cx-6300m-48p-s0g06a (environment) · hpe-aruba-cx-6300m-48p-s0x44a (environment) · hpe-aruba-cx-6300m-48p-s4p43a (environment) · hpe-aruba-cx-6300m-48p-s4p47a (environment) · hpe-aruba-cx-6300m-48sr5-r8s91a (environment) · hpe-aruba-cx-6405-48sfp-8sfp56-r0x30a (environment) · hpe-aruba-cx-6405-96g-r0x29a (environment) · hpe-aruba-cx-6405-r0x26a (environment) · hpe-aruba-cx-6405-v2-r0x26c (environment) · hpe-aruba-cx-6410-96g-jl741a (environment) · hpe-aruba-cx-6410-r0x27a (environment) · hpe-aruba-cx-6410-v2-r0x27c (environment) · hpe-aruba-cx-8320-32-jl579a (environment) · hpe-aruba-cx-8320-48-jl479a (environment) · hpe-aruba-cx-8320-48-jl581a (environment) · hpe-aruba-cx-8325-32c-jl626a (environment) · hpe-aruba-cx-8325-32c-jl627a (environment) · hpe-aruba-cx-8325-48y8c-jl624a (environment) · hpe-aruba-cx-8325-48y8c-jl625a (environment) · hpe-aruba-cx-8325-48y8c-jl858a (environment) · hpe-aruba-cx-8325h-16c-s4b22a (environment) · hpe-aruba-cx-8325h-16c-s4b24a (environment) · hpe-aruba-cx-8325h-18y4c-s4b21a (environment) · hpe-aruba-cx-8325h-18y4c-s4b23a (environment) · hpe-aruba-cx-8325p-32c-s0g07a (environment) · hpe-aruba-cx-8325p-32c-s0g08a (environment) · hpe-aruba-cx-8360-12c-jl708c (environment) · hpe-aruba-cx-8360-12c-jl709c (environment) · hpe-aruba-cx-8360-16y2c-jl702c (environment) · hpe-aruba-cx-8360-16y2c-jl703c (environment) · hpe-aruba-cx-8360-24xf2c-jl710c (environment) · hpe-aruba-cx-8360-24xf2c-jl711c (environment) · hpe-aruba-cx-8360-32y4c-jl700c (environment) · hpe-aruba-cx-8360-32y4c-jl701c (environment) · hpe-aruba-cx-8360-48xt4c-jl706c (environment) · hpe-aruba-cx-8360-48xt4c-jl707c (environment) · hpe-aruba-cx-8360-48y6c-jl704c (environment) · hpe-aruba-cx-8360-48y6c-jl705c (environment) · hpe-aruba-cx-8400-8-slot-chassis-jl375a (environment) · hpe-aruba-cx-8400-jl376a (environment) · hpe-aruba-cx-9300-32d-r8z96a (environment) · hpe-aruba-cx-9300-32d-r9a29a (environment) · hpe-aruba-cx-9300-32d-r9a30a (environment) · hpe-aruba-cx-9300-r8z97a (environment) · hpe-aruba-cx-9300-r8z98a (environment) · hpe-aruba-cx-9300-r8z99a (environment) · hpe-aruba-cx-9300-r9a00a (environment) · hpe-aruba-cx-9300s-32p-s0f81a (environment) · hpe-aruba-cx-9300s-32p-s0f82a (environment) · hpe-aruba-cx-9300s-32p-s0f83a (environment) · hpe-aruba-cx-9300s-32p-s0f84a (environment) · hpe-aruba-cx-9300s-32p-s0f87a (environment) · hpe-aruba-cx-9300s-32p-s0f88a (environment)
Arubaos Cx· Hewlett Packard Enterprise HPE
60%
10.10.0000 ≤ v ≤ 10.10.118010.13.0000 ≤ v ≤ 10.13.118010.16.0000 ≤ v ≤ 10.16.105110.17.0000 ≤ v ≤ 10.17.102110.18.0000 ≤ v ≤ 10.18.000110.10.000010.13.000010.16.000010.17.000010.18.0000
Aruba Cx 10000-48Y6C (R8P13A)· HPEdevice
80%
All versions
Aruba Cx 10000-48Y6C (R8P14A)· HPEdevice
80%
All versions
Aruba Cx 10000-48Y6C (S0F98A)· HPEdevice
80%
All versions
Aruba Cx 10040 32P (S4R54A)· HPEdevice
80%
All versions
Aruba Cx 10040 32P (S4R55A)· HPEdevice
80%
All versions
Aruba Cx 10040 32P (S4R56A)· HPEdevice
80%
All versions
Aruba Cx 10040 (S4R58A)· HPEdevice
80%
All versions
Aruba Cx 4100I 12-Port (Jl817A)· HPEdevice
80%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.6HIGHhpe
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-120

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