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Fencer Intel
medium 6.8

CVE-2021-45607 json

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.

published 4y ago modified 4mo ago also EUVD-2021-32373

cvss
6.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.126, R7000P before 1.3.3.140, RAX200 before 1.0.5.126, RAX75 before 1.0.5.126, and RAX80 before 1.0.5.126.

Patch / fix

  • netgear r6400v2_firmware 1.0.4.118
  • netgear r6700v3_firmware 1.0.4.118
  • netgear r6900p_firmware 1.3.3.140
  • netgear r7000_firmware 1.0.11.126
  • netgear r7000p_firmware 1.3.3.140
  • netgear rax200_firmware 1.0.5.126
  • netgear rax75_firmware 1.0.5.126
  • netgear rax80_firmware 1.0.5.126

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Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 6.8 CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
CNA 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

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.