What’s Vulnerable › Vulnerabilities
CVE-2018-21230
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-04-24 · updated 2026-06-17
Description
Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D1500 before 1.0.0.27, D500 before 1.0.0.27, D6100 before 1.0.0.57, D6220 before 1.0.0.40, D6400 before 1.0.0.74, D7000 before 1.0.1.60, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.94, DGN2200Bv4 before 1.0.0.94, EX2700 before 1.0.1.42, EX3700 before 1.0.0.64, EX3800 before 1.0.0.64, EX6000 before 1.0.0.24, EX6100 before 1.0.2.18, EX6120 before 1.0.0.32, EX6130 before 1.0.0.22, EX6150 before 1.0.0.34_1.0.70, EX6200 before 1.0.3.82_1.1.117, EX6400 before 1.0.1.78, EX7000 before 1.0.0.56, EX7300 before 1.0.1., JNR1010v2 before 1.1.0.42, JR6150 before 1.0.1.10, JWNR2010v5 before 1.1.0.42, PR2000 before 1.0.0.22, R6050 before 1.0.1.10, R6100 before 1.0.1.16, R6220 before 1.1.0.50, R6250 before 1.0.4.14, R6300v2 before 1.0.4.12, R6400v2 before 1.0.2.34, R6700 before 1.0.1.26, R6900 before 1.0.1.26, R6900P before 1.2.0.22, R7000 before 1.0.9.6, R7000P before 1.2.0.22, R7100LG before 1.0.0.40, R7300DST before 1.0.0.54, R7500 before 1.0.0.110, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.1.26, R8000 before 1.0.3.48, R8300 before 1.0.2.104, R8500 before 1.0.2.104, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN2500RPv2 before 1.0.1.46, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, WNDR3400v3 before 1.0.1.14, WNDR3700v4 before 1.0.2.96, WNDR3700v5 before 1.1.0.54, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.48, WNDR4500v3 before 1.0.0.48, WNR1000v4 before 1.1.0.42, WNR2000v5 before 1.0.0.64, WNR2020 before 1.1.0.42, and WNR2050 before 1.1.0.42.
Affected products
- NETGEAR D1500 Firmware: before 1.0.0.27 — fixed in 1.0.0.27
- NETGEAR D500 Firmware: before 1.0.0.27 — fixed in 1.0.0.27
- NETGEAR D6100 Firmware: before 1.0.0.57 — fixed in 1.0.0.57
- NETGEAR D6220 Firmware: before 1.0.0.40 — fixed in 1.0.0.40
- Netgear D6400: before 1.0.0.74 — fixed in 1.0.0.74
- NETGEAR D7000 Firmware: before 1.0.1.60 — fixed in 1.0.1.60
- NETGEAR D7800 Firmware: before 1.0.1.34 — fixed in 1.0.1.34
- NETGEAR D8500 Firmware: before 1.0.3.39 — fixed in 1.0.3.39
- NETGEAR Dgn2200 Firmware: before 1.0.0.94 — fixed in 1.0.0.94
- Netgear DGN2200B: before 1.0.0.94 — fixed in 1.0.0.94
- NETGEAR Ex2700 Firmware: before 1.0.1.42 — fixed in 1.0.1.42
- NETGEAR EX3700: before 1.0.0.64 — fixed in 1.0.0.64
- NETGEAR Ex3800 Firmware: before 1.0.0.64 — fixed in 1.0.0.64
- NETGEAR Ex6000 Firmware: before 1.0.0.24 — fixed in 1.0.0.24
- Netgear EX6100: before 1.0.2.18 — fixed in 1.0.2.18
- NETGEAR EX6120: before 1.0.0.32 — fixed in 1.0.0.32
- NETGEAR Ex6130 Firmware: before 1.0.0.22 — fixed in 1.0.0.22
- Netgear EX6150: before 1.0.0.34_1.0.70 — fixed in 1.0.0.34_1.0.70
- Netgear EX6200: before 1.0.3.82_1.1.117 — fixed in 1.0.3.82_1.1.117
- NETGEAR Ex6400 Firmware: before 1.0.1.78 — fixed in 1.0.1.78
- NETGEAR Ex7000 Firmware: before 1.0.0.56 — fixed in 1.0.0.56
- NETGEAR Ex7300 Firmware: before 1.0.1 — fixed in 1.0.1
- NETGEAR Jnr1010 Firmware: before 1.1.0.42 — fixed in 1.1.0.42
- NETGEAR JR6150: before 1.0.1.10 — fixed in 1.0.1.10
- NETGEAR Jwnr2010 Firmware: before 1.1.0.42 — fixed in 1.1.0.42
- NETGEAR Pr2000 Firmware: before 1.0.0.22 — fixed in 1.0.0.22
- NETGEAR R6050 Firmware: before 1.0.1.10 — fixed in 1.0.1.10
- NETGEAR R6100 Firmware: before 1.0.1.16 — fixed in 1.0.1.16
- NETGEAR R6220 Firmware: before 1.1.0.50 — fixed in 1.1.0.50
- NETGEAR R6250 Firmware: before 1.0.4.14 — fixed in 1.0.4.14
How to fix
Upgrade to a fixed version: NETGEAR D1500 Firmware 1.0.0.27; NETGEAR D500 Firmware 1.0.0.27; NETGEAR D6100 Firmware 1.0.0.57; NETGEAR D6220 Firmware 1.0.0.40; Netgear D6400 1.0.0.74; NETGEAR D7000 Firmware 1.0.1.60; NETGEAR D7800 Firmware 1.0.1.34; NETGEAR D8500 Firmware 1.0.3.39; NETGEAR Dgn2200 Firmware 1.0.0.94; Netgear DGN2200B 1.0.0.94; NETGEAR Ex2700 Firmware 1.0.1.42; NETGEAR EX3700 1.0.0.64. Check the vendor advisory for mitigations.
References
- https://kb.netgear.com/000055104/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Gateways-and-Extenders-PSV-2016-0117
- https://kb.netgear.com/000055104/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Gateways-and-Extenders-PSV-2016-0117
Get alerted when CVE-2018-21230 or the next vulnerability affects your stack