Skip to content
Fencer Vulns
medium 6.8

CVE-2019-20754 json

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

published 2020-04-16 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-11293

cvss
6.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects DGN2200 before 1.0.0.58, DGN2200B before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.80, D6220 before 1.0.0.44, EX7000 before 1.0.0.66, EX6200 before 1.0.3.88, EX6150 before 1.0.0.42, EX7500 before 1.0.0.46, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900P before 1.4.0.10, R8000P before 1.4.0.10, R7900 before 1.0.2.16, R7000P before 1.3.1.44, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.1.44, R7000 before 1.0.9.32, 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, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.54.

Patch / fix

  • netgear dgn2200_firmware 1.0.0.58
  • netgear dgn2200b_firmware 1.0.0.58
  • netgear d8500_firmware 1.0.3.42
  • netgear d7000_firmware 1.0.0.51
  • netgear d6400_firmware 1.0.0.80
  • netgear d6220_firmware 1.0.0.44
  • netgear ex7000_firmware 1.0.0.66
  • netgear ex6200_firmware 1.0.3.88
  • netgear ex6150_firmware 1.0.0.42
  • netgear ex7500_firmware 1.0.0.46
  • 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 r7900p_firmware 1.4.0.10
  • netgear r8000p_firmware 1.4.0.10
  • netgear r7900_firmware 1.0.2.16
  • netgear r7000p_firmware 1.3.1.44
  • netgear r7300dst_firmware 1.0.0.68
  • netgear r7100lg_firmware 1.0.0.46

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.8 CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD 3.1 6.8 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.8 CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P

Classification

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

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.