What’s Vulnerable › Vulnerabilities

CVE-2021-38517

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-11 · updated 2026-06-17
• Weakness: CWE-125

Description

Certain NETGEAR devices are affected by out-of-bounds reads and writes. This affects R6400 before 1.0.1.70, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, and XR300 before 1.0.3.50.

Affected products

• NETGEAR R6400 Firmware: before 1.0.1.70 — fixed in 1.0.1.70
• NETGEAR Rax75 Firmware: before 1.0.4.120 — fixed in 1.0.4.120
• NETGEAR Rax80 Firmware: before 1.0.4.120 — fixed in 1.0.4.120
• NETGEAR Xr300 Firmware: before 1.0.3.50 — fixed in 1.0.3.50

How to fix

Upgrade to a fixed version: NETGEAR R6400 Firmware 1.0.1.70; NETGEAR Rax75 Firmware 1.0.4.120; NETGEAR Rax80 Firmware 1.0.4.120; NETGEAR Xr300 Firmware 1.0.3.50. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000063772/Security-Advisory-for-Out-of-Bounds-Read-and-Write-on-Some-Routers-PSV-2019-0187
• https://kb.netgear.com/000063772/Security-Advisory-for-Out-of-Bounds-Read-and-Write-on-Some-Routers-PSV-2019-0187

Get alerted when CVE-2021-38517 or the next vulnerability affects your stack