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Medium severity · published Apr 16, 2020
CVE-2019-20748
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 D7800 before 1.0.1.44, R7500v2 before 1.0.3.38, R7800 before 1.0.2.52, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK40 before 2.3.0.28, RBS40 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, and RBS50 before 2.3.0.32.
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
D7800 Firmware · Netgear
before 1.0.1.44 · source: NVD
RF
R7500 Firmware · Netgear
before 1.0.3.38 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.52 · source: NVD
RF
Rbk20 Firmware · Netgear
before 2.3.0.28 · source: NVD
RF
Rbk40 Firmware · Netgear
before 2.3.0.28 · source: NVD
RF
Rbk50 Firmware · Netgear
before 2.3.0.32 · source: NVD
RF
Rbr20 Firmware · Netgear
before 2.3.0.28 · source: NVD
RF
Rbr50 Firmware · Netgear
before 2.3.0.32 · source: NVD
RF
Rbs20 Firmware · Netgear
before 2.3.0.28 · source: NVD
RF
Rbs40 Firmware · Netgear
before 2.3.0.28 · source: NVD
RF
Rbs50 Firmware · Netgear
before 2.3.0.32 · source: NVD
Affected product
DF
D7800 Firmware
Netgear
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20748
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20748
Vendor Advisory
https://kb.netgear.com/000060963/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-WiFi-Systems-PSV-2018-0147
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