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Fencer Vulns
high 8.6

CVE-2021-45512 json

Certain NETGEAR devices are affected by weak cryptography.

published 2021-12-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32278

cvss
8.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by weak cryptography. This affects D7000v2 before 1.0.0.62, D8500 before 1.0.3.50, EX3700 before 1.0.0.84, EX3800 before 1.0.0.84, EX6120 before 1.0.0.54, EX6130 before 1.0.0.36, EX7000 before 1.0.1.90, R6250 before 1.0.4.42, R6400v2 before 1.0.4.98, R6700v3 before 1.0.4.98, R6900P before 1.3.2.124, R7000 before 1.0.11.106, R7000P before 1.3.2.124, R7100LG before 1.0.0.56, R7900 before 1.0.4.26, R8000 before 1.0.4.58, R8300 before 1.0.2.134, R8500 before 1.0.2.134, RS400 before 1.5.0.48, WNR3500Lv2 before 1.2.0.62, and XR300 before 1.0.3.50.

Patch / fix

  • netgear d7000_firmware 1.0.0.62
  • netgear d8500_firmware 1.0.3.50
  • netgear ex3700_firmware 1.0.0.84
  • netgear ex3800_firmware 1.0.0.84
  • netgear ex6120_firmware 1.0.0.54
  • netgear ex6130_firmware 1.0.0.36
  • netgear ex7000_firmware 1.0.1.90
  • netgear r6250_firmware 1.0.4.42
  • netgear r6400_firmware 1.0.4.98
  • netgear r6700_firmware 1.0.4.98
  • netgear r6900p_firmware 1.3.2.124
  • netgear r7000_firmware 1.0.11.106
  • netgear r7000p_firmware 1.3.2.124
  • netgear r7100lg_firmware 1.0.0.56
  • netgear r7900_firmware 1.0.4.26
  • netgear r8000_firmware 1.0.4.58
  • netgear r8300_firmware 1.0.2.134
  • netgear r8500_firmware 1.0.2.134
  • netgear rs400_firmware 1.5.0.48
  • netgear wnr3500l_firmware 1.2.0.62

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.6 CVSS:3.1/AC:L/AV:N/A:L/C:H/I:L/PR:N/S:U/UI:N
CNA 3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/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 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

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.