CVE-2021-45643: NETGEAR r6400v2 Firmware

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, and XR1000 before 1.0.0.58.

Affected products

• NETGEAR r6400v2 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
• NETGEAR r6700v3 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
• NETGEAR XR1000 Firmware: before 1.0.0.58 (fixed in 1.0.0.58)

Published 2021-12-26. Last modified 2026-06-17.