CVE-2021-29076: NETGEAR RBK852 Firmware

Critical severity, CVSS 9.6. EPSS: 0.8% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK852 before 3.2.17.12, RBK853 before 3.2.17.12, RBK854 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Affected products

• NETGEAR RBK852 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBK853 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)
• NETGEAR RBK854 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 RBS850 Firmware: before 3.2.17.12 (fixed in 3.2.17.12)

Published 2021-03-23. Last modified 2026-06-17.