HOMEVULNERABILITIESCVE-2016-9497
HIGH

CVE-2016-9497

CWE-288Published: 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, 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.

NVD Source

Technical Analysis

CVE-2016-9497 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-2016-9497
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-288
CISA KEVNo
Affected1 vendor(s)
PublishedJul 13, 2018

Related CVEs (CWE-288)

CVE-2024-2013
10.0
CVE-2026-20079
10.0
CVE-2026-53622
10.0
CVE-2026-48020
10.0
CVE-2026-48491
10.0
CVE-2024-2973
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-9497 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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