CVE-2021-45667

MEDIUM

4.8

CVSS Score

Published: December 26, 2021 at 12:25 AM UTC

Updated: June 17, 2026 at 04:13 AM UTC

56 products affected across 1 vendorRBR850 FirmwareRBS850 FirmwareRBK852 Firmware

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Severity

MEDIUM4.8

Exploit prediction

EPSS 0.4%

Description

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, EX3700 before 1.0.0.90, MR60 before 1.0.6.110, R8000P before 1.4.1.66, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, EX3800 before 1.0.0.90, MS60 before 1.0.6.110, R7900P before 1.4.1.66, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

CBR40 Firmware · NETGEAR

95%

v < 2.5.0.10

Affected range stops below 2.5.0.10, so it looks safe — our inference, not a vendor statement

netgear-cbr40 (same device)

EAX20 Firmware · NETGEAR

95%

v < 1.0.0.48

Affected range stops below 1.0.0.48, so it looks safe — our inference, not a vendor statement

netgear-eax20 (same device)

EAX80 Firmware · NETGEAR

95%

v < 1.0.1.64

Affected range stops below 1.0.1.64, so it looks safe — our inference, not a vendor statement

netgear-eax80 (same device)

EX3700 Firmware · NETGEAR

95%

v < 1.0.0.90

Affected range stops below 1.0.0.90, so it looks safe — our inference, not a vendor statement

EX3800 Firmware · NETGEAR

95%

v < 1.0.0.90

Affected range stops below 1.0.0.90, so it looks safe — our inference, not a vendor statement

netgear-ex3800 (same device)

EX6120 Firmware · NETGEAR

95%

v < 1.0.0.64

Affected range stops below 1.0.0.64, so it looks safe — our inference, not a vendor statement

EX6130 Firmware · NETGEAR

95%

v < 1.0.0.44

Affected range stops below 1.0.0.44, so it looks safe — our inference, not a vendor statement

netgear-ex6130 (same device)

EX7500 Firmware · NETGEAR

95%

v < 1.0.0.72

Affected range stops below 1.0.0.72, so it looks safe — our inference, not a vendor statement

netgear-ex7500 (same device)

MR60 Firmware · NETGEAR

95%

v < 1.0.6.110

Affected range stops below 1.0.6.110, so it looks safe — our inference, not a vendor statement

netgear-mr60 (same device)

MS60 Firmware · NETGEAR

95%

v < 1.0.6.110

Affected range stops below 1.0.6.110, so it looks safe — our inference, not a vendor statement

netgear-ms60 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://kb.netgear.com/000064481/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Router-Extenders-and-WiFi-Systems-PSV-2020-0256

References (1)

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064481/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Router-Extenders-and-WiFi-Systems-PSV-2020-0256

CVSS

4.8MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-79

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