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Fencer Intel
critical 9.6

CVE-2021-45610 json

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.

published 4y ago modified 4mo ago also EUVD-2021-32376

cvss
9.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.66, D6400 before 1.0.0.100, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, DC112A before 1.0.0.52, DGN2200v4 before 1.0.0.118, EAX80 before 1.0.1.64, R6250 before 1.0.4.48, R7000 before 1.0.11.110, R7100LG before 1.0.0.72, R7900 before 1.0.4.30, R7960P before 1.4.1.64, R8000 before 1.0.4.62, RAX200 before 1.0.3.106, RS400 before 1.5.1.80, XR300 before 1.0.3.68, R6400v2 before 1.0.4.106, R7000P before 1.3.2.132, R8000P before 1.4.1.64, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.3.106, R6700v3 before 1.0.4.106, R6900P before 1.3.2.132, R7900P before 1.4.1.64, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.3.106.

Patch / fix

  • netgear d6220_firmware 1.0.0.66
  • netgear d6400_firmware 1.0.0.100
  • netgear d7000v2_firmware 1.0.0.66
  • netgear d8500_firmware 1.0.3.58
  • netgear dc112a_firmware 1.0.0.52
  • netgear dgn2200v4_firmware 1.0.0.118
  • netgear eax80_firmware 1.0.1.64
  • netgear r6250_firmware 1.0.4.48
  • netgear r7000_firmware 1.0.11.110
  • netgear r7000p_firmware 1.3.2.132
  • netgear r8000_firmware 1.0.4.62
  • netgear r8000p_firmware 1.4.1.64
  • netgear r7100lg_firmware 1.0.0.72
  • netgear r7900_firmware 1.0.4.30
  • netgear r7900p_firmware 1.4.1.64
  • netgear r7960p_firmware 1.4.1.64
  • netgear r6900p_firmware 1.3.2.132
  • netgear r6400v2_firmware 1.0.4.106
  • netgear r6700v3_firmware 1.0.4.106
  • netgear xr300_firmware 1.0.3.68

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Exploit prediction

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.6 CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:C/UI:N
CNA 3.1 9.6 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.