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Fencer Vulns
high 7.7

CVE-2017-18823 json

Certain NETGEAR devices are affected by incorrect configuration of security settings.

published 2020-04-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9914

cvss
7.7
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 21%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects M4300-28G before 12.0.2.15, M4300-52G before 12.0.2.15, M4300-28G-POE+ before 12.0.2.15, M4300-52G-POE+ before 12.0.2.15, M4300-8X8F before 12.0.2.15, M4300-12X12F before 12.0.2.15, M4300-24X24F before 12.0.2.15, M4300-24X before 12.0.2.15, M4300-48X before 12.0.2.15, and M4200 before 12.0.2.15.

Patch / fix

  • netgear m4300-28g_firmware 12.0.2.15
  • netgear m4300-52g_firmware 12.0.2.15
  • netgear m4300-28g-poe+_firmware 12.0.2.15
  • netgear m4300-52g-poe+_firmware 12.0.2.15
  • netgear m4300-8x8f_firmware 12.0.2.15
  • netgear m4300-12x12f_firmware 12.0.2.15
  • netgear m4300-24x24f_firmware 12.0.2.15
  • netgear m4300-24x_firmware 12.0.2.15
  • netgear m4300-48x_firmware 12.0.2.15
  • netgear m4200_firmware 12.0.2.15

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 7.7 CVSS:3.0/AC:L/AV:L/A:H/C:N/I:H/PR:N/S:U/UI:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CNA 3.0 7.7 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

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.