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CVE-2019-20726

MEDIUM
6.8
CVSS Score
Published: April 16, 2020 at 07:02 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
22 products affected across 1 vendorR7800 FirmwareR9000 FirmwareR8900 Firmware

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.9%

Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.63, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.68, and XR500 before 2.3.2.32.

Affected

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

D3600 Firmware· NETGEAR
95%
v < 1.0.0.75
Affected range stops below 1.0.0.75, so it looks safe — our inference, not a vendor statement
netgear-d3600 (same device)
D6000 Firmware· NETGEAR
95%
v < 1.0.0.75
Affected range stops below 1.0.0.75, so it looks safe — our inference, not a vendor statement
netgear-d6000 (same device)
D6100 Firmware· NETGEAR
95%
v < 1.0.0.63
Affected range stops below 1.0.0.63, so it looks safe — our inference, not a vendor statement
netgear-d6100 (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 < 1.0.4.2
Affected range stops below 1.0.4.2, so it looks safe — our inference, not a vendor statement
netgear-r8900 (same device)
R9000 Firmware· NETGEAR
95%
v < 1.0.4.2
Affected range stops below 1.0.4.2, so it looks safe — our inference, not a vendor statement
netgear-r9000 (same device)
WNDR3700 Firmware· NETGEAR
95%
v < 1.0.2.102
Affected range stops below 1.0.2.102, so it looks safe — our inference, not a vendor statement
netgear-wndr3700 (same device)
WNDR4300 Firmware· NETGEAR
95%
v < 1.0.0.58v < 1.0.2.104
Affected range stops below 1.0.0.58, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.0.2.104, so it looks safe — our inference, not a vendor statement
netgear-wndr4300 (same device)
WNDR4500 Firmware· NETGEAR
95%
v < 1.0.0.58
Affected range stops below 1.0.0.58, so it looks safe — our inference, not a vendor statement
netgear-wndr4500 (same device)
WNR2000 Firmware· NETGEAR
95%
v < 1.0.0.68
Affected range stops below 1.0.0.68, so it looks safe — our inference, not a vendor statement
netgear-wnr2000 (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/000061202/Security-Advisory-for-Post-Authentication-Command-on-Some-Routers-and-Gateways-PSV-2018-0141

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-77

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