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CVE-2026-76734— Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On

Quick assessment

Affected
Hewlett Packard Enterprise (HPE) Instant ON
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HPE Networking Instant On 受影响接口中存在内存损坏漏洞，允许未经认证的远程攻击者执行拒绝服务攻击。成功利用该漏洞可使攻击者中断受影响服务的正常运行，并访问受影响组件中的部分有限信息。

CVSS 4.8 · Medium EPSS 0.29% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hewlett Packard Enterprise (HPE) Instant ON 0.0.0.0≤ 3.4.1.0 affected
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I. Basic Information for CVE-2026-76734

Vulnerability Information
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Vulnerability Title
Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networking Instant On
Source: CVE Program / CVE List V5
Vulnerability Description
A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauthenticated remote attacker to conduct a denial of service attack. Successful exploitation could allow an attacker to interrupt the normal operation of the affected service and to access some limited information within the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hewlett Packard Enterprise (HPE) Instant ON 0.0.0.0 ~ 3.4.1.0 -

II. Public POCs for CVE-2026-76734

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III. Intelligence Information for CVE-2026-76734

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Other References for CVE-2026-76734 (1)

Same Patch Batch · Hewlett Packard Enterprise (HPE) · 2026-09-29 · 18 CVEs total

CVE-2026-76721 9.8 CRITICAL Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in HPE Networ
CVE-2026-76722 9.8 CRITICAL Uncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Serv
CVE-2026-76723 9.6 CRITICAL Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution in
CVE-2026-76725 9.6 CRITICAL Authentication Bypass in a Management Protocol of HPE Networking Instant ON APs
CVE-2026-76724 9.6 CRITICAL Unauthenticated Adjacent Command Injection Vulnerability in HPE Networking Instant ON APs
CVE-2026-76726 8.1 HIGH Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON
CVE-2026-76728 7.2 HIGH Authenticated Server-Side Request Forgery Leading to Remote Code Execution in HPE Networki
CVE-2026-76727 7.2 HIGH Authenticated Command Injection Vulnerabilities in HPE Networking Instant ON
CVE-2026-76729 6.6 MEDIUM Authenticated Format String Vulnerability allows Memory Corruption in HPE Networking Insta
CVE-2026-76730 6.5 MEDIUM Improper PAPI Packet handling leads to unauthorized access in HPE Networking Instant ON AP
CVE-2026-76731 6.5 MEDIUM Authentication Bypass in the Captive Portal of HPE Networking Instant On
CVE-2026-76732 6.4 MEDIUM Authenticated Local Privilege Escalation Vulnerability in a Daemon of HPE Networking Insta
CVE-2026-76733 4.9 MEDIUM Authenticated Denial-of-Service Vulnerability in HPE Networking Instant On API Endpoint
CVE-2026-76735 4.1 MEDIUM Authenticated Local Sensitive Information Disclosure in HPE Networking Instant On
CVE-2026-76736 3.3 LOW Authenticated Local Buffer Overflow Vulnerability leads to Denial-of-Service in HPE Networ
CVE-2026-76737 3.0 LOW Authenticated Local Path Traversal Vulnerability Leads to Denial-of-Service in HPE Network
CVE-2026-76738 2.7 LOW Authenticated Buffer Overflow Vulnerability in the API Endpoint of HPE Networking Instant

IV. Related Vulnerabilities

Same product: Instant ON
Same vendor: Hewlett Packard Enterprise (HPE)

V. Comments for CVE-2026-76734

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