High severity · published Apr 23, 2020
CVE-2017-18739
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker
8.8
CVSS
0.6%
EPSS
No
On KEV
Description
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R6220 Firmware · Netgear
before 1.1.0.50 · source: NVD
RF
R7800 Firmware · Netgear
before 1.0.2.36 · source: NVD
WF
Wndr3400 Firmware · Netgear
before 1.0.1.14 · source: NVD
WF
Wndr3700 Firmware · Netgear
before 1.1.0.48 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-18739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-18739
Vendor Advisory
https://kb.netgear.com/000051516/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2017-0670
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