Medium severity · published Apr 16, 2020
CVE-2019-20723
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user
6.8
CVSS
0.5%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.63, DM200 before 1.0.0.58, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.60, 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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D3600 Firmware · Netgear
before 1.0.0.75 · source: NVD
DF
D6000 Firmware · Netgear
before 1.0.0.75 · source: NVD
DF
D6100 Firmware · Netgear
before 1.0.0.63 · source: NVD
DF
Dm200 Firmware · Netgear
before 1.0.0.58 · source: NVD
EF
Ex2700 Firmware · Netgear
before 1.0.1.48 · source: NVD
EF
Ex6100 Firmware · Netgear
before 1.0.1.76 · source: NVD
EF
Ex6150 Firmware · Netgear
before 1.0.1.76 · source: NVD
EF
Ex6200 Firmware · Netgear
before 1.0.1.72 · source: NVD
EF
Ex6400 Firmware · Netgear
before 1.0.2.136 · source: NVD
EF
Ex7300 Firmware · Netgear
before 1.0.2.136 · source: NVD
EF
Ex8000 Firmware · Netgear
before 1.0.1.180 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.52 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20723
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20723
Vendor Advisory
https://kb.netgear.com/000061205/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2018-0146
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