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CVE-2019-20754

MEDIUM
6.8
CVSS Score
Published: April 16, 2020 at 09:07 PM UTC
Updated: June 17, 2026 at 02:31 AM UTC
56 products affected across 1 vendorR6700 FirmwareR7000P FirmwareR7000 Firmware

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.5%

Description

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects DGN2200 before 1.0.0.58, DGN2200B before 1.0.0.58, D8500 before 1.0.3.42, D7000v2 before 1.0.0.51, D6400 before 1.0.0.80, D6220 before 1.0.0.44, EX7000 before 1.0.0.66, EX6200 before 1.0.3.88, EX6150 before 1.0.0.42, EX7500 before 1.0.0.46, JNDR3000 before 1.0.0.24, R8000 before 1.0.4.18, R8500 before 1.0.2.122, R8300 before 1.0.2.122, R7900P before 1.4.0.10, R8000P before 1.4.0.10, R7900 before 1.0.2.16, R7000P before 1.3.1.44, R7300DST before 1.0.0.68, R7100LG before 1.0.0.46, R6900P before 1.3.1.44, R7000 before 1.0.9.32, R6900 before 1.0.1.46, R6700 before 1.0.1.46, R6400v2 before 1.0.2.56, R6400 before 1.0.1.42, R6300v2 before 1.0.4.28, R6250 before 1.0.4.26, WNDR4500v2 before 1.0.0.72, and WNR3500Lv2 before 1.2.0.54.

Affected

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

D6220 Firmware· NETGEAR
95%
v < 1.0.0.44
Affected range stops below 1.0.0.44, so it looks safe — our inference, not a vendor statement
netgear-d6220 (same device)
D6400 Firmware· NETGEAR
95%
v < 1.0.0.80
Affected range stops below 1.0.0.80, so it looks safe — our inference, not a vendor statement
netgear-d6400 (same device)
D7000 Firmware· NETGEAR
95%
v < 1.0.0.51
Affected range stops below 1.0.0.51, so it looks safe — our inference, not a vendor statement
netgear-d7000 (same device)
D8500 Firmware· NETGEAR
95%
v < 1.0.3.42
Affected range stops below 1.0.3.42, so it looks safe — our inference, not a vendor statement
netgear-d8500 (same device)
DGN2200 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-dgn2200 (same device)
DGN2200B 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-dgn2200b (same device)
EX6150 Firmware· NETGEAR
95%
v < 1.0.0.42
Affected range stops below 1.0.0.42, so it looks safe — our inference, not a vendor statement
netgear-ex6150 (same device)
EX6200 Firmware· NETGEAR
95%
v < 1.0.3.88
Affected range stops below 1.0.3.88, so it looks safe — our inference, not a vendor statement
EX7000 Firmware· NETGEAR
95%
v < 1.0.0.66
Affected range stops below 1.0.0.66, so it looks safe — our inference, not a vendor statement
netgear-ex7000 (same device)
EX7500 Firmware· NETGEAR
95%
v < 1.0.0.46
Affected range stops below 1.0.0.46, so it looks safe — our inference, not a vendor statement
netgear-ex7500 (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/000060628/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-Modem-Routers-and-Extenders-PSV-2018-0054

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-120

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