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Fencer Intel
high 8.8

CVE-2017-18864 json

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

published 2020-05-05 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9955

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects 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 1.0.9.4, R7000P before 1.0.0.56, R6900P before 1.0.0.56, R7100LG before 1.0.0.32, R7300 before 1.0.0.54, R7900 before 1.0.1.18, R8300 before 1.0.2.104, and R8500 before 1.0.2.104.

Patch / fix

  • 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 r6900p_firmware 1.0.0.56
  • netgear r7000_firmware 1.0.9.4
  • netgear r7000p_firmware 1.0.0.56
  • netgear r7100lg_firmware 1.0.0.32
  • netgear r7300_firmware 1.0.0.54
  • netgear r7900_firmware 1.0.1.18
  • netgear r8300_firmware 1.0.2.104
  • netgear r8500_firmware 1.0.2.104

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

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
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Intel 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.