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Fencer Intel
high 8.8

CVE-2019-20753 json

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

published 6y ago modified 4mo ago also EUVD-2019-11292

cvss
8.8
version 3.0, 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 a stack-based buffer overflow by an unauthenticated attacker. This affects DGN2200v1 before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.78, D6220 before 1.0.0.44, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900 before 1.0.2.16, R7000P before 1.3.2.34, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.2.34, R7000 before 1.0.9.28, R6900 before 1.0.1.46, R6700 before 1.0.1.46, R6400v2 before 1.0.2.56, R6400 before 1.0.1.42, R6300v2 before 1.0.4.28, R6250 before 1.0.4.26, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.50.

Patch / fix

  • netgear dgn2200_firmware 1.0.0.58
  • netgear d8500_firmware 1.0.3.42
  • netgear d7000_firmware 1.0.0.51
  • netgear d6400_firmware 1.0.0.78
  • netgear d6220_firmware 1.0.0.44
  • netgear jndr3000_firmware 1.0.0.24
  • netgear r8000_firmware 1.0.4.18
  • netgear r8500_firmware 1.0.2.122
  • netgear r8300_firmware 1.0.2.122
  • netgear r7900_firmware 1.0.2.16
  • netgear r7000p_firmware 1.3.2.34
  • netgear r7300dst_firmware 1.0.0.68
  • netgear r7100lg_firmware 1.0.0.46
  • netgear r6900p_firmware 1.3.2.34
  • netgear r7000_firmware 1.0.9.28
  • netgear r6900_firmware 1.0.1.46
  • netgear r6700_firmware 1.0.1.46
  • netgear r6400_firmware 1.0.1.42, 1.0.2.56
  • netgear r6300_firmware 1.0.4.28
  • netgear r6250_firmware 1.0.4.26

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Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.8 AV:A/AC:L/Au:N/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.