How severe is CVE-2017-18711?

CVE-2017-18711 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18711 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18711?

CVE-2017-18711 primarily affects Netgear D7800 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18711?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-18711 published?

CVE-2017-18711 was published on 2020-04-24 and last updated on 2026-06-17.

CVE-2017-18711

CVE-2017-18711 is a high-severity vulnerability in Netgear D7800 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 5.8
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netgear D7800 Firmware
Published: 2020-04-24
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.28, R6400 before 1.01.32, R6400v2 before 1.0.2.44, R6700 before 1.0.1.36, R6900 before 1.0.1.34, R6900P before 1.3.0.8, R7000 before 1.0.9.14, R7000P before 1.3.0.8, R7500v2 before 1.0.3.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.48, and WNDR4500v3 before 1.0.0.48.

Frequently asked questions

What is CVE-2017-18711?: Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.28, R6400 before 1.01.32, R6400v2 before 1.0.2.44, R6700 before 1.0.1.36, R6900 before 1.0.1.34, R6900P before 1.3.0.8, R7000 before 1.0.9.14, R7000P before 1.3.0.8, R7500v2 before 1.0.3.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.48, and WNDR4500v3 before 1.0.0.48.
How severe is CVE-2017-18711?: CVE-2017-18711 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18711 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18711?: CVE-2017-18711 primarily affects Netgear D7800 Firmware. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18711?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-18711 published?: CVE-2017-18711 was published on 2020-04-24 and last updated on 2026-06-17.

References

https://kb.netgear.com/000053137/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-and-Gateways-PSV-2016-0131

Affected products (12)

cpe:2.3:o:netgear:d7800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r9000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndr4300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndr4500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r7000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6900p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6900_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*

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