CVE-2021-38513: NETGEAR CBR40 Firmware

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by authentication bypass. This affects RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, RBS850 before 3.2.10.11, CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, MK62 before 1.0.6.110, MR60 before 1.0.6.110, MS60 before 1.0.6.110, RBK752 before 3.2.10.10, RBR750 before 3.2.10.10, and RBS750 before 3.2.10.10.

Affected products

• NETGEAR CBR40 Firmware: before 2.5.0.10 (fixed in 2.5.0.10)
• NETGEAR EAX20 Firmware: before 1.0.0.48 (fixed in 1.0.0.48)
• NETGEAR MK62 Firmware: before 1.0.6.110 (fixed in 1.0.6.110)
• NETGEAR MR60 Firmware: before 1.0.6.110 (fixed in 1.0.6.110)
• NETGEAR MS60 Firmware: before 1.0.6.110 (fixed in 1.0.6.110)
• NETGEAR RBK752 Firmware: before 3.2.10.10 (fixed in 3.2.10.10)
• NETGEAR RBK852 Firmware: before 3.2.10.11 (fixed in 3.2.10.11)
• NETGEAR RBR750 Firmware: before 3.2.10.10 (fixed in 3.2.10.10)
• NETGEAR RBR850 Firmware: before 3.2.10.11 (fixed in 3.2.10.11)
• NETGEAR RBS750 Firmware: before 3.2.10.10 (fixed in 3.2.10.10)
• NETGEAR RBS850 Firmware: before 3.2.10.11 (fixed in 3.2.10.11)

Published 2021-08-11. Last modified 2026-06-17.