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Fencer Intel
high 8.4

CVE-2017-18777 json

Certain NETGEAR devices are affected by administrative password disclosure.

published 6y ago modified 4mo ago also EUVD-2017-9868

cvss
8.4
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 21%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by administrative password disclosure. This affects D6220 before V1.0.0.28, D6400 before V1.0.0.60, D8500 before V1.0.3.29, DGN2200v4 before 1.0.0.82, DGN2200Bv4 before 1.0.0.82, R6300v2 before 1.0.4.8, R6400 before 1.0.1.20, R6700 before 1.0.1.20, R6900 before 1.0.1.20, R7000 before 1.0.7.10, R7100LG before V1.0.0.32, R7300DST before 1.0.0.52, R7900 before 1.0.1.16, R8000 before 1.0.3.36, R8300 before 1.0.2.94, R8500 before 1.0.2.94, WNDR3400v3 before 1.0.1.12, and WNR3500Lv2 before 1.2.0.40.

Patch / fix

  • netgear d6220_firmware 1.0.0.28
  • netgear d6400_firmware 1.0.0.60
  • netgear d8500_firmware 1.0.3.29
  • netgear dgn2200_firmware 1.0.0.82
  • netgear dgn2200b_firmware 1.0.0.82
  • netgear r6300_firmware 1.0.4.8
  • netgear r6400_firmware 1.0.1.20
  • netgear r6700_firmware 1.0.1.20
  • netgear r6900_firmware 1.0.1.20
  • netgear r7000_firmware 1.0.7.10
  • netgear r7100lg_firmware 1.0.0.32
  • netgear r7300dst_firmware 1.0.0.52
  • netgear r7900_firmware 1.0.1.16
  • netgear r8000_firmware 1.0.3.36
  • netgear r8300_firmware 1.0.2.94
  • netgear r8500_firmware 1.0.2.94
  • netgear wndr3400_firmware 1.0.1.12
  • netgear wnr3500l_firmware 1.2.0.40

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Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.0 8.4 CVSS:3.0/AC:L/AV:L/A:H/C:H/I:H/PR:N/S:U/UI:N
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.0 8.4 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

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.