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Fencer Vulns
medium 6.9

CVE-2021-45516 json

Certain NETGEAR devices are affected by denial of service.

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32282

cvss
6.9
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 35%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by denial of service. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R8000 before 1.0.4.74, RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, and RBS850 before 3.2.10.11.

Patch / fix

  • netgear r6400_firmware 1.0.1.70
  • netgear r7000_firmware 1.0.11.126
  • netgear r6900p_firmware 1.3.3.140
  • netgear r7000p_firmware 1.3.3.140
  • netgear r8000_firmware 1.0.4.74
  • netgear rbk852_firmware 3.2.10.11
  • netgear rbr850_firmware 3.2.10.11
  • netgear rbs850_firmware 3.2.10.11

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.9 CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N
CNA 3.1 6.9 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H
NVD 3.1 4.5 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 2.7 AV:A/AC:L/Au:S/C:N/I:N/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.