CVE-2021-45609: NETGEAR d8500 Firmware

Critical severity, CVSS 9.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

Affected products

NETGEAR d8500 Firmware: before 1.0.3.58 (fixed in 1.0.3.58)
NETGEAR r6250 Firmware: before 1.0.4.48 (fixed in 1.0.4.48)
NETGEAR r6900p Firmware: before 1.3.2.132 (fixed in 1.3.2.132)
NETGEAR r7000 Firmware: before 1.0.11.116 (fixed in 1.0.11.116)
NETGEAR r7000p Firmware: before 1.3.2.132 (fixed in 1.3.2.132)
NETGEAR r7100lg Firmware: before 1.0.0.64 (fixed in 1.0.0.64)
NETGEAR r7900 Firmware: before 1.0.4.38 (fixed in 1.0.4.38)
NETGEAR r8300 Firmware: before 1.0.2.144 (fixed in 1.0.2.144)
NETGEAR r8500 Firmware: before 1.0.2.144 (fixed in 1.0.2.144)
NETGEAR XR300 Firmware: before 1.0.3.68 (fixed in 1.0.3.68)

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