CVE-2021-45525: NETGEAR EX7000 Firmware

High severity, CVSS 8.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8, R6900P before 1.3.2.124, R7000 before 1.0.9.88, R7000P before 1.3.2.124, R7900 before 1.0.3.18, R7900P before 1.4.1.50, R8000 before 1.0.4.46, R8000P before 1.4.1.50, RAX80 before 1.0.1.56, and WNR3500Lv2 before 1.2.0.62.

Affected products

NETGEAR EX7000 Firmware: before 1.0.1.80 (fixed in 1.0.1.80)
NETGEAR r6400 Firmware: before 1.0.1.50 (fixed in 1.0.1.50)
NETGEAR r6400v2 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
NETGEAR r6700 Firmware: before 1.0.2.8 (fixed in 1.0.2.8)
NETGEAR r6700v3 Firmware: before 1.0.4.118 (fixed in 1.0.4.118)
NETGEAR r6900 Firmware: before 1.0.2.8 (fixed in 1.0.2.8)
NETGEAR r6900p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
NETGEAR r7000 Firmware: before 1.0.9.88 (fixed in 1.0.9.88)
NETGEAR r7000p Firmware: before 1.3.2.124 (fixed in 1.3.2.124)
NETGEAR r7900 Firmware: before 1.0.3.18 (fixed in 1.0.3.18)
NETGEAR r7900p Firmware: before 1.4.1.50 (fixed in 1.4.1.50)
NETGEAR r8000 Firmware: before 1.0.4.46 (fixed in 1.0.4.46)
NETGEAR r8000p Firmware: before 1.4.1.50 (fixed in 1.4.1.50)
NETGEAR RAX80 Firmware: before 1.0.1.56 (fixed in 1.0.1.56)
NETGEAR WNR3500LV2 Firmware: before 1.2.0.62 (fixed in 1.2.0.62)

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