Vulnerability Details : CVE-2022-43971
An arbitrary code exection vulnerability exists in Linksys WUMC710 Wireless-AC Universal Media Connector with firmware <= 1.0.02 (build3). The do_setNTP function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious GET or POST request to /setNTP.cgi to execute arbitrary commands on the underlying Linux operating system as root.
Products affected by CVE-2022-43971
- cpe:2.3:o:linksys:wumc710_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:linksys:wumc710_firmware:1.0.02:build3:*:*:*:*:*:*
- cpe:2.3:o:linksys:wumc710_firmware:1.0.02:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-43971
0.82%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-43971
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST | |
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
Trellix |
CWE ids for CVE-2022-43971
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The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- trellixpsirt@trellix.com (Secondary)
References for CVE-2022-43971
-
https://youtu.be/73-1lhvJPNg
Vuln Research 101 (Part 1) - Reconning the Linksys WRT54GL - YouTubeExploit;Third Party Advisory
-
https://youtu.be/TeWAmZaKQ_w
Vuln Research 101 (Part 2) - Hacking the Linksys WRT54GL via command injection - YouTubeExploit;Third Party Advisory
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https://youtu.be/RfWVYCUBNZ0
Vuln Research 101 (Part 3) - Hacking the Linksys WRT54GL via buffer overflow - YouTubeExploit;Third Party Advisory
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