CVE-2021-45529: NETGEAR CBR40 Firmware

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.

Affected products

NETGEAR CBR40 Firmware: before 2.3.5.12 (fixed in 2.3.5.12)
NETGEAR d7000v2 Firmware: before 1.0.0.66 (fixed in 1.0.0.66)
NETGEAR d8500 Firmware: before 1.0.3.58 (fixed in 1.0.3.58)
NETGEAR r6400 Firmware: before 1.0.1.70 (fixed in 1.0.1.70)
NETGEAR r6900p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
NETGEAR r7000 Firmware: before 1.0.11.126 (fixed in 1.0.11.126)
NETGEAR r7000p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
NETGEAR r7900 Firmware: before 1.0.4.30 (fixed in 1.0.4.30)
NETGEAR r8000 Firmware: before 1.0.4.52 (fixed in 1.0.4.52)
NETGEAR WNR3500LV2 Firmware: before 1.2.0.62 (fixed in 1.2.0.62)

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