VULNERABILITY INTELLIGENCE

CVE-2016-9497

CVSS score8.8 HIGH

EPSS probability2.21%

CISA KEVNot currently listed

Published2018-07-13

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, is vulnerable to an authentication bypass using an alternate path or channel. By default, port 1953 is accessible via telnet and does not require authentication. An unauthenticated remote user can access many administrative commands via this interface, including rebooting the modem.

Weakness classification

CWE-287: Improper Authentication
CWE-288: Authentication Bypass Using an Alternate Path or Channel

Primary references

cret@cert.org — Third Party Advisory, US Government Resource
cret@cert.org — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry