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Fencer Vulns
medium 4.3

CVE-2021-45676 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-2021-32442

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by stored XSS. This affects RAX200 before 1.0.5.126, RAX20 before 1.0.2.82, RAX80 before 1.0.5.126, RAX15 before 1.0.2.82, and RAX75 before 1.0.5.126.

Patch / fix

  • netgear rax200_firmware 1.0.5.126
  • netgear rax20_firmware 1.0.2.82
  • netgear rax80_firmware 1.0.5.126
  • netgear rax15_firmware 1.0.2.82
  • netgear rax75_firmware 1.0.5.126

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AC:L/AV:A/A:N/C:L/I:L/PR:H/S:C/UI:R
CNA 3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
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.