CVE-2021-45675

MEDIUM

4.8

CVSS Score

Published: December 26, 2021 at 12:24 AM UTC

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

30 products affected across 1 vendorR6800 FirmwareR6260 FirmwareR6120 Firmware

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Severity

MEDIUM4.8

Exploit prediction

EPSS 0.3%

Description

Certain NETGEAR devices are affected by stored XSS. This affects R6120 before 1.0.0.76, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6700v2 before 1.2.0.76, R6900v2 before 1.2.0.76, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, and AC2600 before 1.2.0.76.

Affected

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

AC2100 Firmware · NETGEAR

95%

v < 1.2.0.76

Affected range stops below 1.2.0.76, so it looks safe — our inference, not a vendor statement

netgear-ac2100 (same device)

AC2400 Firmware · NETGEAR

95%

1.2.0.76

netgear-ac2400 (same device)

AC2600 Firmware · NETGEAR

95%

v < 1.2.0.76

Affected range stops below 1.2.0.76, so it looks safe — our inference, not a vendor statement

netgear-ac2600 (same device)

R6120 Firmware · NETGEAR

95%

v < 1.0.0.76

Affected range stops below 1.0.0.76, so it looks safe — our inference, not a vendor statement

netgear-r6120 (same device)

R6260 Firmware · NETGEAR

95%

v < 1.1.0.78

Affected range stops below 1.1.0.78, so it looks safe — our inference, not a vendor statement

netgear-r6260 (same device)

R6330 Firmware · NETGEAR

95%

v < 1.1.0.78

Affected range stops below 1.1.0.78, so it looks safe — our inference, not a vendor statement

netgear-r6330 (same device)

R6350 Firmware · NETGEAR

95%

v < 1.1.0.78

Affected range stops below 1.1.0.78, so it looks safe — our inference, not a vendor statement

netgear-r6350 (same device)

R6700V2 Firmware · NETGEAR

95%

v < 1.2.0.76

Affected range stops below 1.2.0.76, so it looks safe — our inference, not a vendor statement

netgear-r6700v2 (same device)

R6800 Firmware · NETGEAR

95%

v < 1.2.0.76

Affected range stops below 1.2.0.76, so it looks safe — our inference, not a vendor statement

netgear-r6800 (same device)

R6850 Firmware · NETGEAR

95%

v < 1.1.0.78

Affected range stops below 1.1.0.78, so it looks safe — our inference, not a vendor statement

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/000064116/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0128

References (1)

x_refsource_MISCPatchVendor Advisory

Source: [email protected]

https://kb.netgear.com/000064116/Security-Advisory-for-Stored-Cross-Site-Scripting-on-Some-Routers-PSV-2020-0128

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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