CVE-2026-76656: CWE-306 Missing authentication for critical function in Hewlett Packard Enterprise HPE NonStop TCP/IP UTILITIES
Description
CVE-2026-76656 is a medium severity vulnerability in Hewlett Packard Enterprise's HPE NonStop TCP/IP UTILITIES. It involves missing authentication for a critical function, specifically when the traceroute command is executed under certain conditions. This flaw could allow an unauthenticated remote attacker to cause a denial of service. No information about affected versions or available patches is provided.
CVSS v3.1
Score 5.3medium
Affected software
Hewlett Packard Enterprise
HPE NonStop TCP/IP UTILITIES
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-306) in HPE NonStop TCP/IP UTILITIES allows an unauthenticated remote attacker to cause a denial of service by exploiting missing authentication controls on the traceroute function under certain conditions. The CVSS 3.1 base score is 5.3, reflecting network attack vector, high attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality or integrity impact, and high availability impact. No vendor advisory or patch information is available to confirm remediation status.
Potential Impact
An unauthenticated remote attacker can cause denial of service on the affected system by triggering the traceroute function under specific conditions. There is no confidentiality or integrity impact reported. The availability impact is high due to potential service disruption.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the affected utilities and monitor for unusual traceroute activity if possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- hpe
- Date Reserved
- 2026-08-19T16:10:37.082Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad02dbd2cdf04f656f2a26f
Added to database: 10/15/2026, 01:34:53 UTC
Last enriched: 10/15/2026, 01:48:29 UTC
Last updated: 10/15/2026, 01:49:44 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.