What’s Vulnerable › Vulnerabilities

CVE-2021-38515

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-11 · updated 2026-06-17

Description

Certain NETGEAR devices are affected by denial of service. This affects R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R7900 before 1.0.3.18, and R8000 before 1.0.4.46.

Affected products

• NETGEAR R6400 Firmware: before 1.0.4.98 — fixed in 1.0.4.98
• NETGEAR R6700: before 1.0.4.98 — fixed in 1.0.4.98
• NETGEAR R7900 Firmware: before 1.0.3.18 — fixed in 1.0.3.18
• NETGEAR R8000 Firmware: before 1.0.4.46 — fixed in 1.0.4.46

How to fix

Upgrade to a fixed version: NETGEAR R6400 Firmware 1.0.4.98; NETGEAR R6700 1.0.4.98; NETGEAR R7900 Firmware 1.0.3.18; NETGEAR R8000 Firmware 1.0.4.46. Check the vendor advisory for mitigations.

References

• https://kb.netgear.com/000063768/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2019-0082
• https://kb.netgear.com/000063768/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2019-0082

Get alerted when CVE-2021-38515 or the next vulnerability affects your stack