High severity · published Dec 30, 2021
CVE-2021-20166
Netgear RAX43 version 1.0.3.96 contains a buffer overrun vulnerability
8.8
CVSS
2.1%
EPSS
No
On KEV
Description
Netgear RAX43 version 1.0.3.96 contains a buffer overrun vulnerability. The URL parsing functionality in the cgi-bin endpoint of the router containers a buffer overrun issue that can redirection control flow of the applicaiton.
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)2.1% · higher than 82% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
Rax43 Firmware · Netgear
1.0.3.96 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20166
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20166
Third Party Advisory
https://www.tenable.com/security/research/tra-2021-55
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