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CVE-2019-20751

MEDIUM
6.8
CVSS Score
Published: April 16, 2020 at 09:01 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
32 products affected across 1 vendorR7800 FirmwareR9000 FirmwareR8900 Firmware

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.6%

Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.60, DM200 before 1.0.0.61, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.26, R9000 before 1.0.4.26, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.66, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, and WNR2000v5 before 1.0.0.68.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

D6100 Firmware· NETGEAR
95%
v < 1.0.0.60
Affected range stops below 1.0.0.60, so it looks safe — our inference, not a vendor statement
netgear-d6100 (same device)
DM200 Firmware· NETGEAR
95%
v < 1.0.0.61
Affected range stops below 1.0.0.61, so it looks safe — our inference, not a vendor statement
netgear-dm200 (same device)
EX2700 Firmware· NETGEAR
95%
v < 1.0.1.48
Affected range stops below 1.0.1.48, so it looks safe — our inference, not a vendor statement
netgear-ex2700 (same device)
EX6100 Firmware· NETGEAR
95%
v < 1.0.1.76
Affected range stops below 1.0.1.76, so it looks safe — our inference, not a vendor statement
EX6150 Firmware· NETGEAR
95%
v < 1.0.1.76
Affected range stops below 1.0.1.76, so it looks safe — our inference, not a vendor statement
netgear-ex6150 (same device)
EX6200 Firmware· NETGEAR
95%
v < 1.0.1.72
Affected range stops below 1.0.1.72, so it looks safe — our inference, not a vendor statement
EX8000 Firmware· NETGEAR
95%
v < 1.0.1.180
Affected range stops below 1.0.1.180, so it looks safe — our inference, not a vendor statement
netgear-ex8000 (same device)
R7800 Firmware· NETGEAR
95%
v < 1.0.2.52
Affected range stops below 1.0.2.52, so it looks safe — our inference, not a vendor statement
R8900 Firmware· NETGEAR
95%
v < 1.0.4.26
Affected range stops below 1.0.4.26, so it looks safe — our inference, not a vendor statement
netgear-r8900 (same device)
R9000 Firmware· NETGEAR
95%
v < 1.0.4.26
Affected range stops below 1.0.4.26, so it looks safe — our inference, not a vendor statement
netgear-r9000 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://kb.netgear.com/000060964/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Extenders-Gateways-and-Routers-PSV-2018-0171

CVSS

6.8MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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