Skip to content
Fencer Intel
medium 5.2

CVE-2018-21230 json

Certain NETGEAR devices are affected by incorrect configuration of security settings.

published 6y ago modified 4mo ago also EUVD-2018-13748

cvss
5.2
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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.

Patch / fix

  • 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_firmware 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_firmware 1.0.0.94
  • netgear ex2700_firmware 1.0.1.42
  • netgear ex3700_firmware 1.0.0.64
  • netgear ex3800_firmware 1.0.0.64
  • netgear ex6000_firmware 1.0.0.24
  • netgear ex6100_firmware 1.0.2.18
  • netgear ex6120_firmware 1.0.0.32
  • netgear ex6130_firmware 1.0.0.22
  • netgear ex6150_firmware 1.0.0.34_1.0.70
  • netgear ex6200_firmware 1.0.3.82_1.1.117
  • netgear ex6400_firmware 1.0.1.78

Is CVE-2018-21230 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 5.2 CVSS:3.0/AC:L/AV:A/A:N/C:L/I:L/PR:N/S:C/UI:R
NVD 3.1 5.4 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.0 5.2 CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.8 AV:A/AC:L/Au:N/C:P/I:P/A:N

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.