CVE-2018-21209
Certain NETGEAR devices are affected by reflected XSS. This affects JNR1010v2 before 1.1.0.46,...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2018-21209- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:N - Updated
- 2026-11-02
EUVDEUVD-2018-13727
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.
- Record
EUVD-2018-13727- CVSS 3.0
- 4.8 Medium
CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mwvg-rm6p-8rhr No score
Certain NETGEAR devices are affected by reflected XSS. This affects JNR1010v2 before 1.1.0.46,...
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.
- Record
GHSA-mwvg-rm6p-8rhr- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2018-21209- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N - CVSS 3.0
- 4.8 Medium
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-21209 is a medium vulnerability (CVSS 4.8) in Netgear Jnr1010 Firmware, published April 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.66%, the 51st percentile. No source names a fixed version.