Certain NETGEAR devices are affected by reflected XSS.

published 2020-04-21 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9891

cvss: 6.1; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

Certain NETGEAR devices are affected by reflected XSS. This affects R6700v2 before 1.1.0.42 and R6800 before 1.1.0.42.

Patch / fix

fixed in 2

netgear r6700_firmware 1.1.0.42
netgear r6800_firmware 1.1.0.42

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	6.1	CVSS:3.0/AC:L/AV:L/A:L/C:L/I:L/PR:N/S:C/UI:R
NVD	3.1	6.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CNA	3.0	6.1	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kb.netgear.com /000049356/Security-Advisory-for-Reflected-Cross-Site-Scripting-Vulnerability-on-R6700v2-and-R6800-PSV-2017-21
vendor-advisory

Sources

CVE List CVE-2017-18800
NVD CVE-2017-18800

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary