Medium severity · published Apr 16, 2020
CVE-2019-20755
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 D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.
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
D6220 Firmware · Netgear
before 1.0.0.46 · source: NVD
DF
D6400 Firmware · Netgear
before 1.0.0.80 · source: NVD
DF
D7000 Firmware · Netgear
before 1.0.0.51 · source: NVD
DF
D8500 Firmware · Netgear
before 1.0.3.42 · source: NVD
DF
Dgn2200 Firmware · Netgear
before 1.0.0.58 · source: NVD
DF
Dgn2200b Firmware · Netgear
before 1.0.0.58 · source: NVD
JF
Jndr3000 Firmware · Netgear
before 1.0.0.24 · source: NVD
RF
R6250 Firmware · Netgear
before 1.0.4.26 · source: NVD
RF
R6300 Firmware · Netgear
before 1.0.4.28 · source: NVD
RF
R6400 Firmware · Netgear
before 1.0.1.42; before 1.0.2.56 · source: NVD
RF
R6700 Firmware · Netgear
before 1.0.1.46 · source: NVD
RF
R6900 Firmware · Netgear
before 1.0.1.46 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20755
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20755
Vendor Advisory
https://kb.netgear.com/000060627/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Modem-Routers-Extenders-and-Orbi-Satellites-PSV-2018-0053
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