CVE-2021-45615: NETGEAR CBR40 Firmware

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000P before 1.4.2.84, R8300 before 1.0.2.154, R8500 before 1.0.2.154, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Affected products

• NETGEAR CBR40 Firmware: before 2.5.0.24 (fixed in 2.5.0.24)
• NETGEAR CBR750 Firmware: before 4.6.3.6 (fixed in 4.6.3.6)
• NETGEAR r7900p Firmware: before 1.4.2.84 (fixed in 1.4.2.84)
• NETGEAR r7960p Firmware: before 1.4.2.84 (fixed in 1.4.2.84)
• NETGEAR r8000p Firmware: before 1.4.2.84 (fixed in 1.4.2.84)
• NETGEAR r8300 Firmware: before 1.0.2.154 (fixed in 1.0.2.154)
• NETGEAR r8500 Firmware: before 1.0.2.154 (fixed in 1.0.2.154)
• NETGEAR RBK752 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBK852 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBR750 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBR850 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBS750 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBS850 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)

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