CVE-2016-9496 | Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, lacks authentication to access certain pages

Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, lacks authentication. An unauthenticated user may send an HTTP GET request to http://[ip]/com/gatewayreset or http://[ip]/cgi/reboot.bin to cause the modem to reboot.

Published: 2018-07-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2016-9496 is rated Moderate Risk (44.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.90%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-9496

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.81% 0.90% -0.91%
2 2026-05-11 2.44% 1.81% -0.63%
3 2025-03-30 — 2.44% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-9496

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
6.1 2.0 MEDIUM
AV:A/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.5 6.9 [email protected]

Weakness enumeration for CVE-2016-9496

Affected software / configurations for CVE-2016-9496

Vendor Product Version Raw CPE
hughes hn7740s_firmware 6.9.0.34 cpe:2.3:o:hughes:hn7740s_firmware:6.9.0.34:*:*:*:*:*:*:*
hughes dw7000_firmware 6.9.0.34 cpe:2.3:o:hughes:dw7000_firmware:6.9.0.34:*:*:*:*:*:*:*
hughes hn7000s_firmware 6.9.0.34 cpe:2.3:o:hughes:hn7000s_firmware:6.9.0.34:*:*:*:*:*:*:*
hughes hn7000sm_firmware 6.9.0.34 cpe:2.3:o:hughes:hn7000sm_firmware:6.9.0.34:*:*:*:*:*:*:*

References for CVE-2016-9496

URL Tags
https://www.kb.cert.org/vuls/id/614751 Third Party Advisory US Government Resource
https://www.securityfocus.com/bid/96244 Third Party Advisory VDB Entry
cvelogic Threat Intelligence