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CVE-2026-76722— Uncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Service in HPE Networking Instant ON APs

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.

受影响的 HPE Networking Instant ON 接入点（AP）接口中存在不受控制的格式字符串漏洞，允许未授权的远程攻击者在底层主机上执行任意命令。成功利用该漏洞可能导致服务拒绝（Denial-of-service）或潜在的远程代码执行。

CVSS 9.8 · Critical EPSS 0.54% · P43

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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-2026-76722

Vulnerability Information
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Vulnerability Title
Uncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Service in HPE Networking Instant ON APs
Source: CVE Program / CVE List V5
Vulnerability Description
Uncontrolled Format string vulnerabilities exist in the affected interface of HPE Networking Instant ON APs that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host. Successful exploitation could result in a Denial-of-service or potential remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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-2026-76722

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III. Intelligence Information for CVE-2026-76722

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Other References for CVE-2026-76722 (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-2026-76723 9.6 CRITICAL Unauthenticated Adjacent Buffer Overflow Vulnerabilities lead to Remote Code Execution in
CVE-2026-76724 9.6 CRITICAL Unauthenticated Adjacent Command Injection Vulnerability in HPE Networking Instant ON APs
CVE-2026-76725 9.6 CRITICAL Authentication Bypass in a Management Protocol of 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-2026-76734 4.8 MEDIUM Unauthenticated Memory Corruption Vulnerability leads to Denial-of-Service in HPE Networki
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-2026-76722

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