CVE-2026-76746: Vulnerability in Hewlett Packard Enterprise (HPE) AOS-Switch (AOS-S)
Description
CVE-2026-76746 is a critical unauthenticated buffer overflow vulnerability in Hewlett Packard Enterprise's AOS-Switch (AOS-S). An adjacent attacker without authentication can exploit this flaw to expose sensitive memory contents and cause a denial of service on the affected device. The vulnerability affects versions from 16.11.0000 up to and including 16.11.0031. The CVSS 3.1 base score is 9.3, indicating high severity with high impact on confidentiality and availability. No patch or vendor advisory details are provided, so patch status is not confirmed.
CVSS v3.1
Score 9.3critical
Affected software
Hewlett Packard Enterprise (HPE)
AOS-Switch (AOS-S)
pkg:github/hpe/aos-switchRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an unauthenticated buffer overflow in HPE AOS-Switch (AOS-S) firmware versions >=16.11.0000 <=16.11.0031. Exploitation by an adjacent attacker can lead to exposure of sensitive memory contents and denial of service. The CVSS 3.1 vector (AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:H) reflects an attack requiring adjacent network access, no privileges or user interaction, with high confidentiality and availability impact and scope change. No known exploits in the wild or vendor patches are currently documented.
Potential Impact
Successful exploitation allows an unauthenticated attacker on an adjacent network to read sensitive memory contents and cause a denial of service on the affected device, impacting confidentiality and availability. There is no indication of integrity impact. The vulnerability affects network infrastructure devices, potentially disrupting network operations.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict adjacent network access to the affected devices and monitor for unusual activity related to memory exposure or device crashes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hpe
- Date Reserved
- 2026-08-19T16:14:02.298Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ac549bb2cdf04f656d5e848
Added to database: 10/06/2026, 19:19:23 UTC
Last enriched: 10/06/2026, 19:33:18 UTC
Last updated: 10/06/2026, 19:34:38 UTC
Views: 3
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