CVE-2021-45647: NETGEAR AC2100 Firmware

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Certain NETGEAR devices are affected by disclosure of sensitive information. This affects EAX80 before 1.0.1.62, EX7000 before 1.0.1.104, R6120 before 1.0.0.76, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.78, R6850 before 1.1.0.78, R6350 before 1.1.0.78, R6330 before 1.1.0.78, R6800 before 1.2.0.76, R6900v2 before 1.2.0.76, R6700v2 before 1.2.0.76, R7000 before 1.0.11.116, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R7200 before 1.2.0.76, R7350 before 1.2.0.76, R7400 before 1.2.0.76, R7450 before 1.2.0.76, AC2100 before 1.2.0.76, AC2400 before 1.2.0.76, AC2600 before 1.2.0.76, R7900 before 1.0.4.38, R7960P before 1.4.1.66, R8000 before 1.0.4.68, R7900P before 1.4.1.66, R8000P before 1.4.1.66, RAX15 before 1.0.2.82, RAX20 before 1.0.2.82, RAX200 before 1.0.3.106, RAX45 before 1.0.2.72, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, and RAX80 before 1.0.3.106.

Affected products

NETGEAR AC2100 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR AC2400 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR AC2600 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR EAX80 Firmware: before 1.0.1.62 (fixed in 1.0.1.62)
NETGEAR EX7000 Firmware: before 1.0.1.104 (fixed in 1.0.1.104)
NETGEAR r6120 Firmware: before 1.0.0.76 (fixed in 1.0.0.76)
NETGEAR r6220 Firmware: version 1.1.0.110 only
NETGEAR r6230 Firmware: before 1.1.0.110 (fixed in 1.1.0.110)
NETGEAR r6260 Firmware: before 1.1.0.78 (fixed in 1.1.0.78)
NETGEAR r6330 Firmware: before 1.1.0.78 (fixed in 1.1.0.78)
NETGEAR r6350 Firmware: before 1.1.0.78 (fixed in 1.1.0.78)
NETGEAR r6700v2 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r6800 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r6850 Firmware: before 1.1.0.78 (fixed in 1.1.0.78)
NETGEAR r6900p Firmware: before 1.3.3.140 (fixed in 1.3.3.140)
NETGEAR r6900v2 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r7000 Firmware: before 1.0.11.116 (fixed in 1.0.11.116)
NETGEAR r7000p Firmware: before 1.3.3.140 (fixed in 1.3.3.140)
NETGEAR r7200 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r7350 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r7400 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r7450 Firmware: before 1.2.0.76 (fixed in 1.2.0.76)
NETGEAR r7900 Firmware: before 1.0.4.38 (fixed in 1.0.4.38)
NETGEAR r7900p Firmware: before 1.4.1.66 (fixed in 1.4.1.66)
NETGEAR r7960p Firmware: before 1.4.1.66 (fixed in 1.4.1.66)
and 9 more

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