How severe is CVE-2017-18851?

CVE-2017-18851 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-2017-18851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18851?

CVE-2017-18851 primarily affects Netgear D8500 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-2017-18851?

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

When was CVE-2017-18851 published?

CVE-2017-18851 was published on 2020-04-20 and last updated on 2026-06-17.

CVE-2017-18851

CVE-2017-18851 is a medium-severity vulnerability in Netgear D8500 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% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Netgear D8500 Firmware
Published: 2020-04-20
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D8500 through 1.0.3.28, R6400 through 1.0.1.22, R6400v2 through 1.0.2.18, R8300 through 1.0.2.94, R8500 through 1.0.2.94, and R6100 through 1.0.1.12.

Frequently asked questions

What is CVE-2017-18851?: Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D8500 through 1.0.3.28, R6400 through 1.0.1.22, R6400v2 through 1.0.2.18, R8300 through 1.0.2.94, R8500 through 1.0.2.94, and R6100 through 1.0.1.12.
How severe is CVE-2017-18851?: CVE-2017-18851 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-2017-18851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18851?: CVE-2017-18851 primarily affects Netgear D8500 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-2017-18851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18851 published?: CVE-2017-18851 was published on 2020-04-20 and last updated on 2026-06-17.

References

https://kb.netgear.com/000045850/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2017-1207

Affected products (5)

cpe:2.3:o:netgear:d8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6400_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r6100_firmware:*:*:*:*:*:*:*:*

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