CVE-2021-38528

Name: CVE-2021-38528
Creator: NVD / NIST
Published: 2021-08-11T00:16:23.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.99%

Last modified Jun 17, 2026

CVE-2021-38528 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.. EPSS estimates a 1.99% chance of exploitation in the next 30 days.

Description

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6900P before 1.3.2.132, R7000P before 1.3.2.132, R7100LG before 1.0.0.64, WNDR3400v3 before 1.0.1.38, and XR300 before 1.0.3.56.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

1.99%

78.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-77

Affected Software

Vendor	Product	Versions
Netgear	D8500 Firmware	< 1.0.3.58
Netgear	R6900p Firmware	< 1.3.2.132
Netgear	R7000p Firmware	< 1.3.2.132
Netgear	R7100lg Firmware	< 1.0.0.64
Netgear	Wndr3400 Firmware	< 1.0.1.38
Netgear	Xr300 Firmware	< 1.0.3.56

References

Timeline

Published: Aug 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38528?

How severe is CVE-2021-38528?

CVE-2021-38528 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.99% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38528?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-38528?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST