CVE-2021-45675

What it is

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.

At a glance

Exploitability

Can be exploited locally on the machine with an admin-level account, but needs a user to act. High risk of data exposure.

Exploit odds

0.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-12-26 01:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:13 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.3% in the next 30 days (EPSS).
• Severity: 5.8 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-12-26 01:15 UTC

Last modified

2026-06-17 04:13 UTC

Exploit probability

0.3% · EPSS, next 30 days

Weakness

CWE-79 · Cross-site scripting

Record status

Modified

Affected

• Netgear r6120 Firmware < 1.0.0.76
• Netgear r6260 Firmware < 1.1.0.78
• Netgear r6850 Firmware < 1.1.0.78
• Netgear r6350 Firmware < 1.1.0.78
• Netgear r6330 Firmware < 1.1.0.78
• Netgear r6800 Firmware < 1.2.0.76
• Netgear r6700v2 Firmware < 1.2.0.76
• Netgear r6900v2 Firmware < 1.2.0.76

Attack profile CVSS 3.1 · 5.8

Attack vector

Local

Complexity

High

Privileges needed

High

User interaction

Required

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-45675.md and follow it. Check whether this project is affected by CVE-2021-45675. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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