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Fencer Vulns
critical 9.6

CVE-2020-14442 json

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker.

published 2020-06-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6581

cvss
9.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK752 before 3.2.15.25, RBK753 before 3.2.15.25, RBK753S before 3.2.15.25, RBR750 before 3.2.15.25, RBS750 before 3.2.15.25, RBK842 before 3.2.15.25, RBR840 before 3.2.15.25, RBS840 before 3.2.15.25, RBK852 before 3.2.15.25, RBK853 before 3.2.15.25, RBR850 before 3.2.15.25, and RBS850 before 3.2.15.25.

Patch / fix

  • netgear rbk752_firmware 3.2.15.25
  • netgear rbk753_firmware 3.2.15.25
  • netgear rbk753s_firmware 3.2.15.25
  • netgear rbr750_firmware 3.2.15.25
  • netgear rbs750_firmware 3.2.15.25
  • netgear rbk842_firmware 3.2.15.25
  • netgear rbr840_firmware 3.2.15.25
  • netgear rbs840_firmware 3.2.15.25
  • netgear rbk852_firmware 3.2.15.25
  • netgear rbk853_firmware 3.2.15.25
  • netgear rbr850_firmware 3.2.15.25
  • netgear rbs850_firmware 3.2.15.25

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 9.6 CVSS:3.0/AC:L/AV:A/A:L/C:H/I:H/PR:N/S:C/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 9.6 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
NVD 2.0 5.8 AV:A/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command

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.