CVE & CISA-KEV Catalog

CVE-2018-21209

MEDIUM
4.8
CVSS v3
NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available
jnr1010 firmwareNVD
Affected:< 1.1.0.46Fixed in:1.1.0.46CVE-2018-21209derived from NVD
jr6150 firmwareNVD
Affected:< 1.0.1.10Fixed in:1.0.1.10CVE-2018-21209derived from NVD
jwnr2010 firmwareNVD
Affected:< 1.1.0.46Fixed in:1.1.0.46CVE-2018-21209derived from NVD
pr2000 firmwareNVD
Affected:< 1.0.0.20Fixed in:1.0.0.20CVE-2018-21209derived from NVD
r6050 firmwareNVD
Affected:< 1.0.1.10Fixed in:1.0.1.10CVE-2018-21209derived from NVD
r6220 firmwareNVD
Affected:< 1.1.0.60Fixed in:1.1.0.60CVE-2018-21209derived from NVD
wndr3700 firmwareNVD
Affected:< 1.1.0.50Fixed in:1.1.0.50CVE-2018-21209derived from NVD
wnr1000 firmwareNVD
Affected:< 1.1.0.46Fixed in:1.1.0.46CVE-2018-21209derived from NVD
wnr2020 firmwareNVD
Affected:< 1.1.0.46Fixed in:1.1.0.46CVE-2018-21209derived from NVD
wnr2050 firmwareNVD
Affected:< 1.1.0.46Fixed in:1.1.0.46CVE-2018-21209derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.66%probability of exploitation in 30 days
47thpercentile

Moderate risk: more likely to be exploited than 47% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-11022Medium6.999%-Fix
CVE-2019-3929Critical9.899%KEVFix
CVE-2020-9496Medium6.199%--
CVE-2023-28341Medium6.199%-Fix
CVE-2018-12998Medium6.198%--
CVE-2025-4123High7.698%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.