CVE & CISA-KEV Catalog

CVE-2021-45639

MEDIUM
5.2
CVSS v3
NVD

Description

Certain NETGEAR devices are affected by reflected XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.32, EAX80 before 1.0.1.62, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7000 before 1.0.1.104, EX7500 before 1.0.0.72, R7000 before 1.0.11.110, R7900 before 1.0.4.30, R7960P before 1.4.1.66, R8000 before 1.0.4.62, RAX200 before 1.0.2.102, XR300 before 1.0.3.50, EX3700 before 1.0.0.90, MR60 before 1.0.5.102, R7000P before 1.3.2.126, R8000P before 1.4.1.66, RAX20 before 1.0.1.64, RAX50 before 1.0.2.28, RAX80 before 1.0.3.102, EX3800 before 1.0.0.90, MS60 before 1.0.5.102, R6900P before 1.3.2.126, R7900P before 1.4.1.66, RAX15 before 1.0.1.64, RAX45 before 1.0.2.28, RAX75 before 1.0.3.102, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available
cbr40 firmwareNVD
Affected:< 2.5.0.10Fixed in:2.5.0.10CVE-2021-45639derived from NVD
eax20 firmwareNVD
Affected:< 1.0.0.32Fixed in:1.0.0.32CVE-2021-45639derived from NVD
eax80 firmwareNVD
Affected:< 1.0.1.62Fixed in:1.0.1.62CVE-2021-45639derived from NVD
ex3700 firmwareNVD
Affected:< 1.0.0.90Fixed in:1.0.0.90CVE-2021-45639derived from NVD
ex3800 firmwareNVD
Affected:< 1.0.0.90Fixed in:1.0.0.90CVE-2021-45639derived from NVD
ex6120 firmwareNVD
Affected:< 1.0.0.64Fixed in:1.0.0.64CVE-2021-45639derived from NVD
ex6130 firmwareNVD
Affected:< 1.0.0.44Fixed in:1.0.0.44CVE-2021-45639derived from NVD
ex7000 firmwareNVD
Affected:< 1.0.1.104Fixed in:1.0.1.104CVE-2021-45639derived from NVD
ex7500 firmwareNVD
Affected:< 1.0.0.72Fixed in:1.0.0.72CVE-2021-45639derived from NVD
mr60 firmwareNVD
Affected:< 1.0.5.102Fixed in:1.0.5.102CVE-2021-45639derived from NVD
ms60 firmwareNVD
Affected:< 1.0.5.102Fixed in:1.0.5.102CVE-2021-45639derived from NVD
r6900p firmwareNVD
Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-45639derived from NVD
r7000 firmwareNVD
Affected:< 1.0.11.110Fixed in:1.0.11.110CVE-2021-45639derived from NVD
r7000p firmwareNVD
Affected:< 1.3.2.126Fixed in:1.3.2.126CVE-2021-45639derived from NVD
r7900 firmwareNVD
Affected:< 1.0.4.30Fixed in:1.0.4.30CVE-2021-45639derived from NVD
r7900p firmwareNVD
Affected:< 1.4.1.66Fixed in:1.4.1.66CVE-2021-45639derived from NVD
r7960p firmwareNVD
Affected:< 1.4.1.66Fixed in:1.4.1.66CVE-2021-45639derived from NVD
r8000 firmwareNVD
Affected:< 1.0.4.62Fixed in:1.0.4.62CVE-2021-45639derived from NVD
r8000p firmwareNVD
Affected:< 1.4.1.66Fixed in:1.4.1.66CVE-2021-45639derived from NVD
rax15 firmwareNVD
Affected:< 1.0.1.64Fixed in:1.0.1.64CVE-2021-45639derived from NVD
rax200 firmwareNVD
Affected:< 1.0.2.102Fixed in:1.0.2.102CVE-2021-45639derived from NVD
rax20 firmwareNVD
Affected:< 1.0.1.64Fixed in:1.0.1.64CVE-2021-45639derived from NVD
rax45 firmwareNVD
Affected:< 1.0.2.28Fixed in:1.0.2.28CVE-2021-45639derived from NVD
rax50 firmwareNVD
Affected:< 1.0.2.28Fixed in:1.0.2.28CVE-2021-45639derived from NVD
rax75 firmwareNVD
Affected:< 1.0.3.102Fixed in:1.0.3.102CVE-2021-45639derived from NVD
rax80 firmwareNVD
Affected:< 1.0.3.102Fixed in:1.0.3.102CVE-2021-45639derived from NVD
rbk752 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
rbk852 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
rbr750 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
rbr850 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
rbs750 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
rbs850 firmwareNVD
Affected:< 3.2.16.6Fixed in:3.2.16.6CVE-2021-45639derived from NVD
xr300 firmwareNVD
Affected:< 1.0.3.50Fixed in:1.0.3.50CVE-2021-45639derived 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 RequiredNone
User InteractionRequired
ScopeChanged

Impact

ConfidentialityLow
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.60%probability of exploitation in 30 days
45thpercentile

Moderate risk: more likely to be exploited than 45% 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
Embed a live status badge for CVE-2021-45639
CVE-2021-45639 severity badge

Markdown

[![CVE-2021-45639](https://tridentstack.com/cve/badge/CVE-2021-45639.svg)](https://tridentstack.com/cve/CVE-2021-45639)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-45639"><img src="https://tridentstack.com/cve/badge/CVE-2021-45639.svg" alt="CVE-2021-45639"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.