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Fencer Vulns
medium 6.3

CVE-2021-38539 json

Certain NETGEAR devices are affected by privilege escalation.

published 2021-08-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-24989

cvss
6.3
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 57%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by privilege escalation. This affects D8500 before 1.0.3.44, R6400v2 before 1.0.2.66, R6700 before 1.0.2.6, R6700v3 before 1.0.2.66, R6900 before 1.0.2.4, R6900P before 1.3.2.126, R7000 before 1.0.9.42, R7000P before 1.3.2.126, R7100LG before 1.0.0.50, R7300DST before 1.0.0.70, R7900 before 1.0.3.10, R8300 before 1.0.2.130, and R8500 before 1.0.2.130.

Patch / fix

  • netgear d8500_firmware 1.0.3.44
  • netgear r6400_firmware 1.0.2.66
  • netgear r6700_firmware 1.0.2.6, 1.0.2.66
  • netgear r6900_firmware 1.0.2.4
  • netgear r6900p_firmware 1.3.2.126
  • netgear r7000_firmware 1.0.9.42
  • netgear r7000p_firmware 1.3.2.126
  • netgear r7100lg_firmware 1.0.0.50
  • netgear r7300dst_firmware 1.0.0.70
  • netgear r7900_firmware 1.0.3.10
  • netgear r8300_firmware 1.0.2.130
  • netgear r8500_firmware 1.0.2.130

Exploit prediction

0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AC:L/AV:A/A:N/C:L/I:H/PR:L/S:U/UI:N
CNA 3.1 6.3 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/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

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.