Certain NETGEAR devices are affected by reflected XSS.

published 2020-04-28 6 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13727

cvss: 4.8; 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 51%
public exploits: 0; none known

Certain NETGEAR devices are affected by reflected XSS. This affects JNR1010v2 before 1.1.0.46, JR6150 before 1.0.1.10, JWNR2010v5 before 1.1.0.46, PR2000 before 1.0.0.20, R6050 before 1.0.1.10, R6220 before 1.1.0.60, WNDR3700v5 before 1.1.0.50, WNR1000v4 before 1.1.0.46, WNR2020 before 1.1.0.46, and WNR2050 before 1.1.0.46.

Patch / fix

fixed in 10

netgear jnr1010_firmware 1.1.0.46
netgear jr6150_firmware 1.0.1.10
netgear jwnr2010_firmware 1.1.0.46
netgear pr2000_firmware 1.0.0.20
netgear r6050_firmware 1.0.1.10
netgear r6220_firmware 1.1.0.60
netgear wndr3700_firmware 1.1.0.50
netgear wnr1000_firmware 1.1.0.46
netgear wnr2020_firmware 1.1.0.46
netgear wnr2050_firmware 1.1.0.46

Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.8	CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:N
NVD	3.1	4.8	CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
CNA	3.0	4.8	CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

kb.netgear.com /000055140/Security-Advisory-for-Reflected-Cross-Site-Scripting-on-Some-Routers-and-Extenders-PSV-2017-2514
vendor-advisory

Sources

CVE List CVE-2018-21209
NVD CVE-2018-21209

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