CVE-2021-45644: NETGEAR AC2100 Firmware

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.

Affected products

• NETGEAR AC2100 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR AC2400 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR AC2600 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r6220 Firmware: before 1.1.0.110 (fixed in 1.1.0.110)
• NETGEAR r6230 Firmware: before 1.1.0.110 (fixed in 1.1.0.110)
• NETGEAR r6260 Firmware: before 1.1.0.84 (fixed in 1.1.0.84)
• NETGEAR r6330 Firmware: before 1.1.0.84 (fixed in 1.1.0.84)
• NETGEAR r6350 Firmware: before 1.1.0.84 (fixed in 1.1.0.84)
• NETGEAR r6700v2 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r6800 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r6850 Firmware: before 1.1.0.84 (fixed in 1.1.0.84)
• NETGEAR r6900v2 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r7200 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r7350 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r7400 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)
• NETGEAR r7450 Firmware: before 1.2.0.88 (fixed in 1.2.0.88)

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