How severe is CVE-2016-9494?

CVE-2016-9494 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-9494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9494?

CVE-2016-9494 primarily affects Hughes Hn7740s Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9494?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9494 published?

CVE-2016-9494 was published on 2018-07-13 and last updated on 2026-06-17.

CVE-2016-9494

CVE-2016-9494 is a medium-severity vulnerability in Hughes Hn7740s Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Hughes Hn7740s Firmware
Published: 2018-07-13
Last modified: 2026-06-17

Description

Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, are potentially vulnerable to improper input validation. The device's advanced status web page that is linked to from the basic status web page does not appear to properly parse malformed GET requests. This may lead to a denial of service.

Frequently asked questions

What is CVE-2016-9494?: Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, are potentially vulnerable to improper input validation. The device's advanced status web page that is linked to from the basic status web page does not appear to properly parse malformed GET requests. This may lead to a denial of service.
How severe is CVE-2016-9494?: CVE-2016-9494 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-9494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9494?: CVE-2016-9494 primarily affects Hughes Hn7740s Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9494 published?: CVE-2016-9494 was published on 2018-07-13 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:hughes:hn7740s_firmware:6.9.0.34:*:*:*:*:*:*:*
cpe:2.3:o:hughes:dw7000_firmware:6.9.0.34:*:*:*:*:*:*:*
cpe:2.3:o:hughes:hn7000s_firmware:6.9.0.34:*:*:*:*:*:*:*
cpe:2.3:o:hughes:hn7000sm_firmware:6.9.0.34:*:*:*:*:*:*:*

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CVE-2016-9497 — High (CVSS 8.8): Hughes high-performance broadband satellite modems, models HN7740S DW7000 HN7000S/SM, is vulnerable to an…
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