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Fencer Vulns
medium 6.9

CVE-2021-38517 json

Certain NETGEAR devices are affected by out-of-bounds reads and writes.

published 2021-08-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24967

cvss
6.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by out-of-bounds reads and writes. This affects R6400 before 1.0.1.70, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, and XR300 before 1.0.3.50.

Patch / fix

  • netgear r6400_firmware 1.0.1.70
  • netgear rax75_firmware 1.0.4.120
  • netgear rax80_firmware 1.0.4.120
  • netgear xr300_firmware 1.0.3.50

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.9 CVSS:3.1/AC:L/AV:A/A:H/C:N/I:L/PR:H/S:C/UI:N
CNA 3.1 6.9 CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H
NVD 3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness

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.