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HPE AOS-CX CVE-2026-73772

| EUVDEUVD-2026-69635 MEDIUM
Classic Buffer Overflow (CWE-120)
2026-09-01 hpe GHSA-7c69-r344-wv6h
6.5
CVSS 3.1 · Vendor: hpe
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Severity by source

Vendor (hpe) PRIMARY
6.5 MEDIUM
AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
vuln.today AI
6.5 MEDIUM

Adjacent vector confirmed by description; no authentication required; impact is availability-only DoS with no confidentiality or integrity effect.

3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
4.0 AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (hpe).

CVSS VectorVendor: hpe

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

1
Analysis Generated
Sep 01, 2026 - 21:23 vuln.today

DescriptionCVE.org

Buffer overflow vulnerabilities exist in an underlying service of AOS-CX that could lead to an unauthenticated denial-of-service condition by sending specially crafted packets to the affected device. Successful exploitation of these vulnerabilities results in a disruption of normal operation of the underlying operating system.

AnalysisAI

Buffer overflow conditions in an underlying network service of HPE AOS-CX allow unauthenticated attackers on the adjacent network segment to crash the device by sending specially crafted packets, causing a denial-of-service disruption to normal OS operation. This vulnerability is one of several disclosed together under HPE advisory hpesbnw05134, affecting the CX series switch OS. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
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Execution
technique details hidden
Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the attacker to be on the same network segment or broadcast domain as the target AOS-CX device (adjacent network vector, AV:A). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 6.5 with vector AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H reflects a moderate-severity, availability-only DoS that requires no authentication and no user interaction but is constrained to adjacent-network attackers. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Consult the HPE advisory at https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05134en_us&docLocale=en_US for specific patched AOS-CX firmware versions - no exact fix version is independently confirmable from the submitted data. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-73772 vulnerability details – vuln.today

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