HOMEVULNERABILITIESCVE-2016-9495
HIGH

CVE-2016-9495

CWE-798Published: July 13, 2018· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, uses hard coded credentials. Access to the device's default telnet port (23) can be obtained through using one of a few default credentials shared among all devices.

NVD Source

Technical Analysis

CVE-2016-9495 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorAdjacent
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

hughes8 product(s)
hn7740s firmwarehn7740sdw7000 firmwaredw7000hn7000s firmwarehn7000shn7000sm firmwarehn7000sm
Source: NVD CPE · 8 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://www.kb.cert.org/vuls/id/614751
ADVISORYhttps://www.securityfocus.com/bid/96244
ADVISORYhttps://www.kb.cert.org/vuls/id/614751
ADVISORYhttps://www.securityfocus.com/bid/96244

All References (4)

→
https://www.kb.cert.org/vuls/id/614751Third Party Advisory · US Government Resource
→
https://www.securityfocus.com/bid/96244Third Party Advisory · VDB Entry
→
https://www.kb.cert.org/vuls/id/614751Third Party Advisory · US Government Resource
→
https://www.securityfocus.com/bid/96244Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2016-9495
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-798
CISA KEVNo
Affected1 vendor(s)
PublishedJul 13, 2018

Related CVEs (CWE-798)

CVE-2024-42450
10.0
CVE-2025-7503
10.0
CVE-2020-1614
10.0
CVE-2021-0248
10.0
CVE-2020-6963
10.0
CVE-2021-40422
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-9495 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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