Medium severity · published Apr 28, 2020
CVE-2018-21182
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user
6.8
CVSS
0.6%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.94.
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)0.6% · higher than 48% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R7800 Firmware · Netgear
before 1.0.2.40 · source: NVD
RF
R9000 Firmware · Netgear
before 1.0.2.52 · source: NVD
WF
Wndr3700 Firmware · Netgear
before 1.0.2.92 · source: NVD
WF
Wndr4300 Firmware · Netgear
before 1.0.2.94 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-21182
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-21182
Vendor Advisory
https://kb.netgear.com/000055176/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-PSV-2017-2617
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