How severe is CVE-2018-11106?

CVE-2018-11106 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11106 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11106?

CVE-2018-11106 primarily affects Netgear Wc7500 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11106?

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

When was CVE-2018-11106 published?

CVE-2018-11106 was published on 2020-04-01 and last updated on 2026-06-17.

CVE-2018-11106

CVE-2018-11106 is a critical-severity vulnerability in Netgear Wc7500 Firmware with a CVSS 3.x base score of 9.8. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Netgear Wc7500 Firmware
Published: 2020-04-01
Last modified: 2026-06-17

Description

NETGEAR has released fixes for a pre-authentication command injection in request_handler.php security vulnerability on the following product models: WC7500, running firmware versions prior to 6.5.3.5; WC7520, running firmware versions prior to 2.5.0.46; WC7600v1, running firmware versions prior to 6.5.3.5; WC7600v2, running firmware versions prior to 6.5.3.5; and WC9500, running firmware versions prior to 6.5.3.5.

Frequently asked questions

What is CVE-2018-11106?: NETGEAR has released fixes for a pre-authentication command injection in request_handler.php security vulnerability on the following product models: WC7500, running firmware versions prior to 6.5.3.5; WC7520, running firmware versions prior to 2.5.0.46; WC7600v1, running firmware versions prior to 6.5.3.5; WC7600v2, running firmware versions prior to 6.5.3.5; and WC9500, running firmware versions prior to 6.5.3.5.
How severe is CVE-2018-11106?: CVE-2018-11106 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11106 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11106?: CVE-2018-11106 primarily affects Netgear Wc7500 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11106?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-11106 published?: CVE-2018-11106 was published on 2020-04-01 and last updated on 2026-06-17.

References

https://kb.netgear.com/000058243/Security-Advisory-for-Pre-Authentication-Command-Injection-in-request-handler-php-on-Some-Wireless-Controllers-PSV-2018-0051

Affected products (5)

cpe:2.3:o:netgear:wc7500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wc7520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wc7600v1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wc7600v2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wc9500_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Netgear Wc7500 Firmware

CVE-2018-21123 — High (CVSS 8.8): Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects WC7500 before…
CVE-2020-26922 — Medium (CVSS 6.4): Certain NETGEAR devices are affected by command injection by an authenticated user. This affects WC7500 before…
CVE-2020-26931 — Medium (CVSS 5.9): Certain NETGEAR devices are affected by disclosure of sensitive information. This affects WC7500 before 6.5.5.24,…
CVE-2020-26923 — Medium (CVSS 4.3): Certain NETGEAR devices are affected by stored XSS. This affects WC7500 before 6.5.5.24, WC7600 before 6.5.5.24,…

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