Medium severity · published Dec 30, 2021
CVE-2021-23147
Netgear Nighthawk R6700 version 1.0.4.120 does not have sufficient protections for the UART console
6.8
CVSS
0.4%
EPSS
No
On KEV
Description
Netgear Nighthawk R6700 version 1.0.4.120 does not have sufficient protections for the UART console. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection and execute commands as the root user without authentication.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 31% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
R6700 Firmware · Netgear
1.0.4.120 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23147
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23147
Third Party Advisory
https://www.tenable.com/security/research/tra-2021-57
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