Skip to content
Fencer Vulns
medium 6.5

CVE-2021-45667 json

Certain NETGEAR devices are affected by stored XSS.

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32433

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by stored XSS. This affects CBR40 before 2.5.0.10, EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, RAX200 before 1.0.3.106, RBS40V before 2.6.1.4, RBW30 before 2.6.1.4, EX3700 before 1.0.0.90, MR60 before 1.0.6.110, R8000P before 1.4.1.66, RAX20 before 1.0.2.82, RAX45 before 1.0.2.72, RAX80 before 1.0.3.106, EX3800 before 1.0.0.90, MS60 before 1.0.6.110, R7900P before 1.4.1.66, RAX15 before 1.0.2.82, RAX50 before 1.0.2.72, RAX75 before 1.0.3.106, RBR750 before 3.2.16.6, RBR850 before 3.2.16.6, RBS750 before 3.2.16.6, RBS850 before 3.2.16.6, RBK752 before 3.2.16.6, and RBK852 before 3.2.16.6.

Patch / fix

  • netgear cbr40_firmware 2.5.0.10
  • netgear eax20_firmware 1.0.0.48
  • netgear eax80_firmware 1.0.1.64
  • netgear ex6120_firmware 1.0.0.64
  • netgear ex6130_firmware 1.0.0.44
  • netgear ex7500_firmware 1.0.0.72
  • netgear r7960p_firmware 1.4.1.66
  • netgear rax200_firmware 1.0.3.106
  • netgear rbs40v_firmware 2.6.1.4
  • netgear rbw30_firmware 2.6.1.4
  • netgear ex3700_firmware 1.0.0.90
  • netgear mr60_firmware 1.0.6.110
  • netgear r8000p_firmware 1.4.1.66
  • netgear rax20_firmware 1.0.2.82
  • netgear rax45_firmware 1.0.2.72
  • netgear rax80_firmware 1.0.3.106
  • netgear ex3800_firmware 1.0.0.90
  • netgear ms60_firmware 1.0.6.110
  • netgear r7900p_firmware 1.4.1.66
  • netgear rax15_firmware 1.0.2.82

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AC:H/AV:A/A:L/C:L/I:H/PR:H/S:C/UI:R
CNA 3.1 6.5 CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:L/I:H/A:L
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

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.