CVE-2017-18866

Name: CVE-2017-18866
Creator: NVD / NIST
Published: 2020-05-05T14:15:12.327+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2017-18866 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Certain NETGEAR devices are affected by stored XSS. This affects R9000 before 1.0.2.40, R6100 before 1.0.1.1, 6R7500 before 1.0.0.110, R7500v2 before 1.0.3.20, R7800 before 1.0.2.36, WNDR4300v2 before 1.0.0.48, and WNR2000v5 before 1.0.0.58.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by stored XSS. This affects R9000 before 1.0.2.40, R6100 before 1.0.1.1, 6R7500 before 1.0.0.110, R7500v2 before 1.0.3.20, R7800 before 1.0.2.36, WNDR4300v2 before 1.0.0.48, and WNR2000v5 before 1.0.0.58.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.65%

46.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Netgear	6r7500 Firmware	< 1.0.0.110
Netgear	R6100 Firmware	< 1.0.1.1
Netgear	R7500 Firmware	< 1.0.3.20
Netgear	R7800 Firmware	< 1.0.2.36
Netgear	R9000 Firmware	< 1.0.2.40
Netgear	Wndr4300 Firmware	< 1.0.0.48
Netgear	Wnr2000 Firmware	< 1.0.0.58

References

Timeline

Published: May 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18866?

How severe is CVE-2017-18866?

CVE-2017-18866 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18866?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18866?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST