CVE-2026-76656
HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
HPE NonStop TCP/IP UTILITIES - Denial of Service vulnerability
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.
- Record
CVE-2026-76656- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
EUVDEUVD-2026-101807
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.
- Record
EUVD-2026-101807- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6vqx-p79g-6f7f
A vulnerability in HPE NonStop TCP/IP UTILITIES could allow an unauthenticated remote ...
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.
- Record
GHSA-6vqx-p79g-6f7f- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-76656- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-306
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-76656 is a medium vulnerability (CVSS 5.3) in Hewlett Packard Enterprise Hpe Nonstop Tcp/ip Utilities, published October 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. No source names a fixed version.