Skip to content
Fencer Vulns
high 7.5

CVE-2021-45642 json

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

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32408

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Patch / fix

  • netgear d7800_firmware 1.0.1.64
  • netgear ex6250_firmware 1.0.0.134
  • netgear ex7700_firmware 1.0.0.222
  • netgear lbr20_firmware 2.6.3.50
  • netgear rbs50y_firmware 2.7.3.22
  • netgear rbs50_firmware 2.7.3.22
  • netgear rbs20_firmware 2.7.3.22
  • netgear rbs10_firmware 2.7.3.22
  • netgear rbs40_firmware 2.7.3.22
  • netgear r8900_firmware 1.0.5.26
  • netgear r9000_firmware 1.0.5.26
  • netgear xr450_firmware 2.3.2.66
  • netgear xr500_firmware 2.3.2.66
  • netgear xr700_firmware 1.0.1.36
  • netgear ex7320_firmware 1.0.0.134
  • netgear rax120_firmware 1.2.2.24
  • netgear ex7300v2_firmware 1.0.0.134
  • netgear rax120v2_firmware 1.2.2.24
  • netgear ex6410_firmware 1.0.0.134
  • netgear ex6420_firmware 1.0.0.134

Exploit prediction

0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AC:L/AV:A/A:L/C:L/I:H/PR:H/S:C/UI:N
CNA 3.1 7.5 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:L
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns 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.