How severe is CVE-2017-18842?

CVE-2017-18842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18842 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18842?

CVE-2017-18842 primarily affects Netgear R7300 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-2017-18842?

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-2017-18842 published?

CVE-2017-18842 was published on 2020-04-20 and last updated on 2026-06-17.

CVE-2017-18842

CVE-2017-18842 is a high-severity vulnerability in Netgear R7300 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. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Netgear R7300 Firmware
Published: 2020-04-20
Last modified: 2026-06-17

Description

Certain NETGEAR devices are affected by CSRF. This affects R7300 before 1.0.0.54, R8500 before 1.0.2.94, DGN2200v1 before 1.0.0.55, and D2200D/D2200DW-1FRNAS before 1.0.0.32.

Frequently asked questions

What is CVE-2017-18842?: Certain NETGEAR devices are affected by CSRF. This affects R7300 before 1.0.0.54, R8500 before 1.0.2.94, DGN2200v1 before 1.0.0.55, and D2200D/D2200DW-1FRNAS before 1.0.0.32.
How severe is CVE-2017-18842?: CVE-2017-18842 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18842 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18842?: CVE-2017-18842 primarily affects Netgear R7300 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-2017-18842?: 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-2017-18842 published?: CVE-2017-18842 was published on 2020-04-20 and last updated on 2026-06-17.

References

https://kb.netgear.com/000049017/Security-Advisory-for-a-Cross-Site-Request-Forgery-on-Some-Routers-DSL-Gateways-and-a-Modem-Router-PSV-2017-0327

Affected products (5)

cpe:2.3:o:netgear:r7300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:r8500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:dgn2200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d2200d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:netgear:d2200dw-1frnas_firmware:*:*:*:*:*:*:*:*

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