Skip to content
Fencer Vulns
medium 6.1

CVE-2021-38521 json

Certain NETGEAR devices are affected by command injection by an authenticated user.

published 2021-08-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24971

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.50, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.1.62, and RAX80 before 1.0.1.62.

Patch / fix

  • netgear r6400_firmware 1.0.1.50
  • netgear r7900p_firmware 1.4.1.50
  • netgear r8000p_firmware 1.4.1.50
  • netgear rax75_firmware 1.0.1.62
  • netgear rax80_firmware 1.0.1.62

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AC:L/AV:L/A:L/C:H/I:H/PR:H/S:U/UI:R
CNA 3.1 6.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:L
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
  • 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.