Medium severity · published Apr 16, 2020
CVE-2019-20735
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 V1.0.0.75, D6100 before V1.0.0.63, R7800 before v1.0.2.52, R8900 before v1.0.4.2, R9000 before v1.0.4.2, RBK50 before v2.3.0.32, RBR50 before v2.3.0.32, RBS50 before v2.3.0.32, WNDR3700v4 before V1.0.2.102, WNDR4300v1 before V1.0.2.104, WNDR4300v2 before v1.0.0.58, WNDR4500v3 before v1.0.0.58, WNR2000v5 before v1.0.0.68, and XR500 before V2.3.2.32.
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
RF
R7800 Firmware · Netgear
before 1.0.2.52 · source: NVD
RF
R8900 Firmware · Netgear
before 1.0.4.2 · source: NVD
RF
R9000 Firmware · Netgear
before 1.0.4.2 · source: NVD
RF
Rbk50 Firmware · Netgear
before 2.3.0.32 · source: NVD
RF
Rbr50 Firmware · Netgear
before 2.3.0.32 · source: NVD
RF
Rbs50 Firmware · Netgear
before 2.3.0.32 · source: NVD
WF
Wndr3700 Firmware · Netgear
before 1.0.2.102 · source: NVD
WF
Wndr4300 Firmware · Netgear
before 1.0.2.104; before 1.0.0.58 · source: NVD
WF
Wndr4500 Firmware · Netgear
before 1.0.0.58 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20735
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20735
Vendor Advisory
https://kb.netgear.com/000061191/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0138
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