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Fencer Intel
medium 6.7

CVE-2017-18846 json

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

published 2020-04-20 6 y ago modified 2026-06-17 4 mo ago also EUVD-2017-9937

cvss
6.7
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow. This affects R6250 before 1.0.4.12, R6400v2 before 1.0.2.32, R7000P/R6900P before 1.0.0.56, R7900 before 1.0.1.18, R8300 before 1.0.2.100_1.0.82, R8500 before 1.0.2.100_1.0.82, and D8500 before 1.0.3.29.

Patch / fix

  • netgear r6250_firmware 1.0.4.12
  • netgear r6400_firmware 1.0.2.32
  • netgear r7000p_firmware 1.0.0.56
  • netgear r6900p_firmware 1.0.0.56
  • netgear r7900_firmware 1.0.1.18
  • netgear r8300_firmware 1.0.2.100_1.0.82
  • netgear r8500_firmware 1.0.2.100_1.0.82
  • netgear d8500_firmware 1.0.3.29

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 6.7 CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:H/S:U/UI:N
NVD 3.1 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 6.7 CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

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.