CVE & CISA-KEV Catalog

CVE-2021-45666

MEDIUM
6.5
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX80 before 1.0.1.64, EX3700 before 1.0.0.90, EX3800 before 1.0.0.90, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, RBW30 before 2.6.1.4, RBK752 before 3.2.16.6, RBR750 before 3.2.16.6, RBS750 before 3.2.16.6, RBK852 before 3.2.16.6, RBR850 before 3.2.16.6, RBS850 before 3.2.16.6, and RBS40V before 2.6.1.4.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available
cbr40 firmwareNVD
Affected:< 2.5.0.10Fixed in:2.5.0.10CVE-2021-45666derived from NVD
eax80 firmwareNVD
Affected:< 1.0.1.64Fixed in:1.0.1.64CVE-2021-45666derived from NVD
ex3700 firmwareNVD
Affected:< 1.0.0.90Fixed in:1.0.0.90CVE-2021-45666derived from NVD
ex3800 firmwareNVD
Affected:< 1.0.0.90Fixed in:1.0.0.90CVE-2021-45666derived from NVD
ex6120 firmwareNVD
Affected:< 1.0.0.64Fixed in:1.0.0.64CVE-2021-45666derived from NVD
ex6130 firmwareNVD
Affected:< 1.0.0.44Fixed in:1.0.0.44CVE-2021-45666derived from NVD
ex7500 firmwareNVD
Affected:< 1.0.0.72Fixed in:1.0.0.72CVE-2021-45666derived from NVD
rbk752 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbk852 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbr750 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbr850 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbs40v firmwareNVD
Affected:< 2.6.1.4Fixed in:2.6.1.4CVE-2021-45666derived from NVD
rbs750 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbs850 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45666derived from NVD
rbw30 firmwareNVD
Affected:< 2.6.1.4Fixed in:2.6.1.4CVE-2021-45666derived 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 ComplexityHigh
Privileges RequiredHigh
User InteractionRequired
ScopeChanged

Impact

ConfidentialityLow
IntegrityHigh
AvailabilityLow

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

Exploit Intelligence

0.42%probability of exploitation in 30 days
34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

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.