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Fencer Intel
medium 6.3

CVE-2019-20728 json

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

published 6y ago modified 4mo ago also EUVD-2019-11267

cvss
6.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48.

Patch / fix

  • netgear d6400_firmware 1.0.0.74
  • netgear d7000_firmware 1.0.0.74
  • netgear d7800_firmware 1.0.1.34
  • netgear d8500_firmware 1.0.3.39
  • netgear dgn2200_firmware 1.0.0.102
  • netgear dgnd2200b_firmware 1.0.0.102
  • netgear dm200_firmware 1.0.0.52
  • netgear jndr3000_firmware 1.0.0.22
  • netgear rbk50_firmware 2.3.5.30
  • netgear rbr50_firmware 2.3.5.30
  • netgear rbs50_firmware 2.3.5.30
  • netgear rbw30_firmware 2.1.2.6
  • netgear r6250_firmware 1.0.4.26
  • netgear r6300_firmware 1.0.4.24
  • netgear r6400_firmware 1.0.1.36, 1.0.2.52
  • netgear r6700_firmware 1.0.1.44
  • netgear r6900_firmware 1.0.1.44
  • netgear r7000_firmware 1.0.9.26
  • netgear r6900p_firmware 1.3.0.20
  • netgear r7000p_firmware 1.3.0.20

Is CVE-2019-20728 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.3 CVSS:3.0/AC:L/AV:L/A:L/C:H/I:H/PR:H/S:U/UI:N
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.3 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

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.