High severity · published Jan 9, 2023
CVE-2022-43973
An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006
7.2
CVSS
1.9%
EPSS
No
On KEV
Description
An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI 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 POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wrt54gl Firmware · Linksys
through 4.30.18.006 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-43973
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-43973
Exploit
https://youtu.be/73-1lhvJPNg
Exploit
https://youtu.be/RfWVYCUBNZ0
Exploit
https://youtu.be/TeWAmZaKQ_w
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