Critical severity · published Apr 27, 2020
CVE-2018-21153
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, EX2700 before 1.0.1.32, EX6100v2 before 1.0.1.70, EX6150v2 before 1.0.1.70, EX6200v2 before 1.0.1.62, EX6400 before 1.0.1.78, EX7300 before 1.0.1.62, EX8000 before 1.0.0.114, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.40, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DF
D7800 Firmware · Netgear
before 1.0.1.34 · source: NVD
DF
Dm200 Firmware · Netgear
before 1.0.0.50 · source: NVD
EF
Ex2700 Firmware · Netgear
before 1.0.1.32 · source: NVD
EF
Ex6100 Firmware · Netgear
before 1.0.1.70 · source: NVD
EF
Ex6150 Firmware · Netgear
before 1.0.1.70 · source: NVD
EF
Ex6200 Firmware · Netgear
before 1.0.1.62 · source: NVD
EF
Ex6400 Firmware · Netgear
before 1.0.1.78 · source: NVD
EF
Ex7300 Firmware · Netgear
before 1.0.1.62 · source: NVD
EF
Ex8000 Firmware · Netgear
before 1.0.0.114 · source: NVD
RF
R6100 Firmware · Netgear
before 1.0.1.22 · source: NVD
RF
R7500 Firmware · Netgear
before 1.0.0.122; before 1.0.3.26 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.40 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21153
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21153
Vendor Advisory
https://kb.netgear.com/000059480/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Gateways-Routers-and-Extenders-PSV-2017-3136
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