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Fencer Intel
high 8.8

CVE-2019-20686 json

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

published 6y ago modified 4mo ago also EUVD-2019-11225

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D6200 before 1.1.00.36, D7000 before 1.0.1.74, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.40, R6080 before 1.0.0.40, R6050 before 1.0.1.18, R6120 before 1.0.0.48, R6220 before 1.1.0.86, R6260 before 1.1.0.64, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, and WNR2020 before 1.1.0.62.

Patch / fix

  • netgear d6200_firmware 1.1.00.36
  • netgear d7000_firmware 1.0.1.74
  • netgear jr6150_firmware 1.0.1.18
  • netgear pr2000_firmware 1.0.0.28
  • netgear r6020_firmware 1.0.0.40
  • netgear r6080_firmware 1.0.0.40
  • netgear r6050_firmware 1.0.1.18
  • netgear r6120_firmware 1.0.0.48
  • netgear r6220_firmware 1.1.0.86
  • netgear r6260_firmware 1.1.0.64
  • netgear r6700_firmware 1.2.0.36
  • netgear r6800_firmware 1.2.0.36
  • netgear r6900_firmware 1.2.0.36
  • netgear wnr2020_firmware 1.1.0.62

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Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% 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.