How severe is CVE-2017-18841?

CVE-2017-18841 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18841 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18841?

CVE-2017-18841 primarily affects Netgear R6220 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-2017-18841?

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

When was CVE-2017-18841 published?

CVE-2017-18841 was published on 2020-04-20 and last updated on 2026-06-17.

CVE-2017-18841

CVE-2017-18841 is a medium-severity vulnerability in Netgear R6220 Firmware with a CVSS 3.x base score of 6.7. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Netgear R6220 Firmware
Published: 2020-04-20
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by command injection. This affects R6220 before 1.1.0.46, R6700v2 before 1.1.0.38, R6800 before 1.1.0.38, WNDR3700v5 before 1.1.0.46, and D7000 before 1.0.1.50.

Frequently asked questions

What is CVE-2017-18841?: Certain NETGEAR devices are affected by command injection. This affects R6220 before 1.1.0.46, R6700v2 before 1.1.0.38, R6800 before 1.1.0.38, WNDR3700v5 before 1.1.0.46, and D7000 before 1.0.1.50.
How severe is CVE-2017-18841?: CVE-2017-18841 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18841 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18841?: CVE-2017-18841 primarily affects Netgear R6220 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-2017-18841?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18841 published?: CVE-2017-18841 was published on 2020-04-20 and last updated on 2026-06-17.

References

https://kb.netgear.com/000049018/Security-Advisory-for-Command-Injection-on-Some-Routers-and-a-Modem-Router-PSV-2017-2158

Affected products (5)

cpe:2.3:o:netgear:r6220_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6800_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:wndr3700_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d7000_firmware:*:*:*:*:*:*:*:*

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