CVE-2021-38516

What it is

Certain NETGEAR devices are affected by lack of access control at the function level. This affects D6220 before 1.0.0.48, D6400 before 1.0.0.82, D7000v2 before 1.0.0.52, D7800 before 1.0.1.44, D8500 before 1.0.3.43, DC112A before 1.0.0.40, DGN2200v4 before 1.0.0.108, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, R6020 before 1.0.0.34, R6080 before 1.0.0.34, R6120 before 1.0.0.44, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6250 before 1.0.4.34, R6260 before 1.1.0.40, R6850 before 1.1.0.40, R6350 before 1.1.0.40, R6400v2 before 1.0.2.62, R6700v3 before 1.0.2.62, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7000 before 1.0.9.34, R6900P before 1.3.1.44, R7000P before 1.3.1.44, R7100LG before 1.0.0.48, R7200 before 1.2.0.48, R7350 before 1.2.0.48, R7400 before 1.2.0.48, R7450 before 1.2.0.36, AC2100 before 1.2.0.36, AC2400 before 1.2.0.36, AC2600 before 1.2.0.36, R7500v2 before 1.0.3.38, R7800 before 1.0.2.58, R7900 before 1.0.3.8, R7960P before 1.4.1.44, R8000 before 1.0.4.28, R7900P before 1.4.1.30, R8000P before 1.4.1.30, R8900 before 1.0.4.2, R9000 before 1.0.4.2, RAX120 before 1.0.0.74, 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, WNR3500Lv2 before 1.2.0.56, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.3% chance of exploitation in the next 30 days (EPSS).

Fix

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

Timeline

1. 2021-08-11 00:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 04:02 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.3% in the next 30 days (EPSS).
• Severity: 10.0 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-08-11 00:15 UTC

Last modified

2026-06-17 04:02 UTC

Exploit probability

1.3% · EPSS, next 30 days

Record status

Modified

Affected

• Netgear d6220 Firmware < 1.0.0.48
• Netgear d6400 Firmware < 1.0.0.82
• Netgear d7000 Firmware < 1.0.0.52
• Netgear d7800 Firmware < 1.0.1.44
• Netgear d8500 Firmware < 1.0.3.43
• Netgear dc112a Firmware < 1.0.0.40
• Netgear dgn2200 Firmware < 1.0.0.108
• Netgear rbk50 Firmware < 2.3.0.32

Attack profile CVSS 3.1 · 10.0

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

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