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Fencer Vulns
high 8.8

CVE-2020-35799 json

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

published 2020-12-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23454

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.78, D6200 before 1.1.00.32, D7000 before 1.0.1.68, D7800 before 1.0.1.56, DM200 before 1.0.0.61, EX2700 before 1.0.1.52, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.74, EX6400 before 1.0.2.140, EX7300 before 1.0.2.140, EX8000 before 1.0.1.186, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6230 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, R7500v2 before 1.0.3.40, R7800 before 1.0.2.62, R8900 before 1.0.4.12, R9000 before 1.0.4.12, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, WN2000RPTv3 before 1.0.1.34, WN3000RPv2 before 1.0.0.78, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.78, WN3100RPv2 before 1.0.0.66, WNR2000v5 before 1.0.0.70, WNR2020 before 1.1.0.62, XR450 before 2.3.2.32, and XR500 before 2.3.2.32.

Patch / fix

  • netgear d3600_firmware 1.0.0.76
  • netgear d6000_firmware 1.0.078
  • netgear d6200_firmware 1.1.00.32
  • netgear d7000_firmware 1.0.1.68
  • netgear d7800_firmware 1.0.1.56
  • netgear dm200_firmware 1.0.0.61
  • netgear ex2700_firmware 1.0.1.52
  • netgear ex6100v2_firmware 1.0.1.76
  • netgear ex6150v2_firmware 1.0.1.76
  • netgear ex6200v2_firmware 1.0.1.74
  • netgear ex6400_firmware 1.0.2.140
  • netgear ex7300_firmware 1.0.2.140
  • netgear ex8000_firmware 1.0.1.186
  • netgear jr6150_firmware 1.0.1.18
  • netgear pr2000_firmware 1.0.0.28
  • netgear r6020_firmware 1.0.0.38
  • netgear r6050_firmware 1.0.1.18
  • netgear r6080_firmware 1.0.0.38
  • netgear r6120_firmware 1.0.0.46
  • netgear r6220_firmware 1.1.0.80

Exploit prediction

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
CNA 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/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.