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CVE-2026-76656— HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability

Quick assessment

Affected
Hewlett Packard Enterprise HPE NonStop TCP/IP UTILITIES
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 NonStop TCP/IP UTILITIES 中存在的漏洞可能允许未经身份验证的远程攻击者在特定条件下执行 traceroute 时导致拒绝服务。

CVSS 5.3 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hewlett Packard Enterprise HPE NonStop TCP/IP UTILITIES T8602L01^BAA and earlier affected
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I. Basic Information for CVE-2026-76656

Vulnerability Information
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Vulnerability Title
HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote attacker to cause a denial of service when traceroute is executed under certain conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Hewlett Packard Enterprise HPE NonStop TCP/IP UTILITIES T8602L01^BAA and earlier -

II. Public POCs for CVE-2026-76656

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III. Intelligence Information for CVE-2026-76656

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Other References for CVE-2026-76656 (1)

Same Patch Batch · Hewlett Packard Enterprise · 2026-10-15 · 34 CVEs total

CVE-2026-76660 8.7 HIGH HPE NonStop CIPSAM - Memory corruption vulnerability
CVE-2026-79829 8.2 HIGH HPE NonStop HTTP WEBSERVER - Memory corruption vulnerability
CVE-2026-79821 8.2 HIGH HPE NonStop SOAP 4.0 - Memory corruption
CVE-2026-79824 8.0 HIGH HPE NonStop Python 3.x - Directory traversal vulnerability
CVE-2026-76661 7.6 HIGH HPE NonStop QIOMON - Memory corruption vulnerability
CVE-2026-79832 7.6 HIGH HPE NonStop SQL/MX Executor - Buffer overflow vulnerability
CVE-2026-76659 7.5 HIGH HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability
CVE-2026-73799 7.5 HIGH HPE NonStop SNMP Trap Multiplexer - Memory Corruption vulnerability
CVE-2026-79833 7.5 HIGH HPE NonStop ANSI SQLUTIL - Denial of Service vulnerability
CVE-2026-76663 7.5 HIGH HPE NonStop TELSERV - Memory corruption vulnerability
CVE-2026-79834 7.4 HIGH HPE NonStop SQL/MX SQLCAT - Unauthorized command execution vulnerability
CVE-2026-79837 7.3 HIGH HPE NonStop SQL/MX UDR SERVER - Service disruption vulnerability
CVE-2026-79840 7.3 HIGH HPE NonStop XABroker - Memory corruption vulnerability
CVE-2026-79839 7.3 HIGH HPE NonStop ODBC/MX Server - Memory corruption vulnerability
CVE-2026-79838 7.3 HIGH HPE NonStop ODBC/MX Services - Memory corruption vulnerability
CVE-2026-79828 7.1 HIGH HPE NonStop Debug Utilities - Heap buffer overflow vulnerability
CVE-2026-79826 7.1 HIGH HPE NonStop OCAX - Heap buffer overflow vulnerability
CVE-2026-79827 7.1 HIGH HPE NonStop Inspect Subsystem - Heap buffer overflow vulnerability
CVE-2026-79825 7.1 HIGH HPE NonStop NDSREST - Heap buffer overflow vulnerability
CVE-2026-79822 7.1 HIGH HPE NonStop TNS/X Native Inspect - Execution flow vulnerability

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: HPE NonStop TCP/IP UTILITIES
Same vendor: Hewlett Packard Enterprise
Same weakness: CWE-306

V. Comments for CVE-2026-76656

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