How severe is CVE-2018-21094?

CVE-2018-21094 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2018-21094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21094?

CVE-2018-21094 primarily affects Netgear Wac120 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-21094?

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-2018-21094 published?

CVE-2018-21094 was published on 2020-04-27 and last updated on 2026-06-17.

CVE-2018-21094

CVE-2018-21094 is a high-severity vulnerability in Netgear Wac120 Firmware with a CVSS 3.x base score of 7.3. 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 7.3)
CVSS v2: 7.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netgear Wac120 Firmware
Published: 2020-04-27
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects WAC120 before 2.1.7, WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WNAP320 before 3.7.11.4, WNAP210v2 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, WND930 before 2.1.5, and WN604 before 3.3.10.

Frequently asked questions

What is CVE-2018-21094?: Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects WAC120 before 2.1.7, WAC505 before 5.0.5.4, WAC510 before 5.0.5.4, WNAP320 before 3.7.11.4, WNAP210v2 before 3.7.11.4, WNDAP350 before 3.7.11.4, WNDAP360 before 3.7.11.4, WNDAP660 before 3.7.11.4, WNDAP620 before 2.1.7, WND930 before 2.1.5, and WN604 before 3.3.10.
How severe is CVE-2018-21094?: CVE-2018-21094 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2018-21094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21094?: CVE-2018-21094 primarily affects Netgear Wac120 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-21094?: 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-2018-21094 published?: CVE-2018-21094 was published on 2020-04-27 and last updated on 2026-06-17.

References

https://kb.netgear.com/000060460/Security-Advisory-for-a-Security-Misconfiguration-on-Some-Wireless-Access-Points-PSV-2018-0350

Affected products (11)

cpe:2.3:o:netgear:wac120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wac505_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wac510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wnap320_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wnap210_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndap350_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndap360_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndap660_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndap620_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wnd930_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wn604_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Wac120 Firmware

CVE-2018-21097 — Critical (CVSS 9.8): Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects…
CVE-2018-21120 — High (CVSS 8.0): Certain NETGEAR devices are affected by CSRF. This affects WAC120 before 2.1.7, WAC505 before 5.0.5.4, WAC510 before…
CVE-2018-21096 — High (CVSS 7.4): Certain NETGEAR devices are affected by CSRF. This affects WAC120 before 2.1.7, WAC505 before 5.0.5.4, WAC510 before…
CVE-2017-18863 — High (CVSS 7.1): Certain NETGEAR devices are affected by command execution via a PHP form. This affects WN604 3.3.3 and earlier,…
CVE-2017-18805 — Medium (CVSS 6.7): Certain NETGEAR devices are affected by command injection. This affects WAC510 before 1.3.0.10, WAC120 before 2.1.4,…
CVE-2017-18806 — Medium (CVSS 6.7): Certain NETGEAR devices are affected by command injection. This affects WAC510 before 1.3.0.10, WAC120 before 2.1.4,…

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