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Fencer Vulns
high 8.8

CVE-2017-18738 json

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.

published 2020-04-23 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9829

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects EX6150v2 before 1.0.1.54, R6400 before 1.0.1.24, R6400v2 before 1.0.2.32, R6700 before 1.0.1.22, R6900 before 1.0.1.22, R7000 before 1.0.9.10, R7000P before 1.2.0.22, R6900P before 1.2.0.22, R7100LG before 1.0.0.32, R7300DST before 1.0.0.54, R7900 before 1.0.1.18, R8000 before 1.0.3.48, R8300 before 1.0.2.106, R8500 before 1.0.2.106, R6100 before 1.0.1.16, WNDR4300v2 before 1.0.0.48, WNDR4500v3 before 1.0.0.48, and WNR2000v5 before 1.0.0.58.

Patch / fix

  • netgear ex6150_firmware 1.0.1.54
  • netgear r6400_firmware 1.0.1.24, 1.0.2.32
  • netgear r6700_firmware 1.0.1.22
  • netgear r6900_firmware 1.0.1.22
  • netgear r7000_firmware 1.0.9.10
  • netgear r7000p_firmware 1.2.0.22
  • netgear r6900p_firmware 1.2.0.22
  • netgear r7100lg_firmware 1.0.0.32
  • netgear r7300dst_firmware 1.0.0.54
  • netgear r7900_firmware 1.0.1.18
  • netgear r8000_firmware 1.0.3.48
  • netgear r8300_firmware 1.0.2.106
  • netgear r8500_firmware 1.0.2.106
  • netgear r6100_firmware 1.0.1.16
  • netgear wndr4300_firmware 1.0.0.48
  • netgear wndr4500_firmware 1.0.0.48
  • netgear wnr2000_firmware 1.0.0.58

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/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 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.8 AV:A/AC:L/Au:N/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.