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CVE-2018-21225

MEDIUM
6.8
CVSS Score
Published: April 28, 2020 at 04:37 PM UTC
Updated: June 17, 2026 at 01:54 AM UTC
27 products affected across 1 vendorR7800 FirmwareR9000 FirmwareR6700 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 D7000 before 1.0.1.60, D7800 before 1.0.1.34, D8500 before 1.0.3.39, R6700 before 1.0.1.30, R6700v2 before 1.2.0.16, R6800 before 1.2.0.16, R6900 before 1.0.1.30, R6900P before 1.2.0.22, R6900v2 before 1.2.0.16, R7000 before 1.0.9.12, R7000P before 1.2.0.22, R7500v2 before 1.0.3.20, R7800 before 1.0.2.44, R8300 before 1.0.2.106, R8500 before 1.0.2.106, and R9000 before 1.0.2.52.

Affected

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

D7000 Firmware· NETGEAR
95%
v < 1.0.1.60
Affected range stops below 1.0.1.60, so it looks safe — our inference, not a vendor statement
netgear-d7000 (same device)
D7800 Firmware· NETGEAR
95%
v < 1.0.1.34
Affected range stops below 1.0.1.34, so it looks safe — our inference, not a vendor statement
netgear-d7800 (same device)
D8500 Firmware· NETGEAR
95%
v < 1.0.3.39
Affected range stops below 1.0.3.39, so it looks safe — our inference, not a vendor statement
netgear-d8500 (same device)
R6700 Firmware· NETGEAR
95%
v < 1.0.1.30v < 1.2.0.16
Affected range stops below 1.0.1.30, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.2.0.16, so it looks safe — our inference, not a vendor statement
netgear-r6700 (same device)
R6800 Firmware· NETGEAR
95%
v < 1.2.0.16
Affected range stops below 1.2.0.16, so it looks safe — our inference, not a vendor statement
netgear-r6800 (same device)
R6900· NETGEAR
95%
v < 1.0.1.30v < 1.2.0.16
Affected range stops below 1.0.1.30, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.2.0.16, so it looks safe — our inference, not a vendor statement
R6900P Firmware· NETGEAR
95%
v < 1.2.0.22
Affected range stops below 1.2.0.22, so it looks safe — our inference, not a vendor statement
R7000 Firmware· NETGEAR
95%
v < 1.0.9.12
Affected range stops below 1.0.9.12, so it looks safe — our inference, not a vendor statement
netgear-r7000 (same device)
R7000P Firmware· NETGEAR
95%
v < 1.2.0.22
Affected range stops below 1.2.0.22, so it looks safe — our inference, not a vendor statement
netgear-r7000p (same device)
R7500 Firmware· NETGEAR
95%
v < 1.0.3.20
Affected range stops below 1.0.3.20, so it looks safe — our inference, not a vendor statement
netgear-r7500 (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/000055112/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-Gateways-PSV-2017-2160

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-78

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