SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-21209

Certain NETGEAR devices are affected by reflected XSS.

MEDIUM 4.8EPSS 0.66%

Does this matter?

Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.

Description

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.

CVSS 3.1
4.8 MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
EPSS
0.66% probability · 51th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
netgear/jnr1010 firmware · netgear/jr6150 firmware · netgear/jwnr2010 firmware · netgear/pr2000 firmware · netgear/r6050 firmware · netgear/r6220 firmware · netgear/wndr3700 firmware · netgear/wnr1000 firmware · netgear/wnr2020 firmware · netgear/wnr2050 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.66%27 October 202627 October 2026

EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.