Skip to content
Fencer Vulns
medium 6.5

CVE-2021-45668 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-2021-32434

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 EAX20 before 1.0.0.48, EAX80 before 1.0.1.64, EX3700 before 1.0.0.90, EX3800 before 1.0.0.90, EX6120 before 1.0.0.64, EX6130 before 1.0.0.44, EX7500 before 1.0.0.72, R7960P before 1.4.1.66, 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.

Patch / fix

  • 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 ex3700_firmware 1.0.0.90
  • 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 r7900p_firmware 1.4.1.66
  • netgear rax15_firmware 1.0.2.82
  • netgear rax75_firmware 1.0.3.106

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.