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Fencer Intel
critical 9.4

CVE-2021-45501 json

Certain NETGEAR devices are affected by authentication bypass.

published 4y ago modified 4mo ago also EUVD-2021-32267

cvss
9.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by authentication bypass. This affects AC2400 before 1.1.0.84, AC2600 before 1.1.0.84, D7000 before 1.0.1.82, R6020 before 1.0.0.52, R6080 before 1.0.0.52, R6120 before 1.0.0.80, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.1.0.84, R6800 before 1.1.0.84, R6850 before 1.1.0.84, R6900v2 before 1.1.0.84, R7200 before 1.1.0.84, R7350 before 1.1.0.84, R7400 before 1.1.0.84, and R7450 before 1.1.0.84.

Patch / fix

  • netgear ac2400_firmware 1.1.0.84
  • netgear ac2600_firmware 1.1.0.84
  • netgear d7000_firmware 1.0.1.82
  • netgear r6020_firmware 1.0.0.52
  • netgear r6080_firmware 1.0.0.52
  • netgear r6120_firmware 1.0.0.80
  • netgear r6220_firmware 1.1.0.110
  • netgear r6230_firmware 1.1.0.110
  • netgear r6260_firmware 1.1.0.84
  • netgear r6330_firmware 1.1.0.84
  • netgear r6350_firmware 1.1.0.84
  • netgear r6700v2_firmware 1.1.0.84
  • netgear r6800_firmware 1.1.0.84
  • netgear r6850_firmware 1.1.0.84
  • netgear r6900v2_firmware 1.1.0.84
  • netgear r7200_firmware 1.1.0.84
  • netgear r7350_firmware 1.1.0.84
  • netgear r7400_firmware 1.1.0.84
  • netgear r7450_firmware 1.1.0.84

Is CVE-2021-45501 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.

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Exploit prediction

2.01% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.4 CVSS:3.1/AC:L/AV:N/A:L/C:H/I:H/PR:N/S:U/UI:N
CNA 3.1 9.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

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.