CVE-2022-43973

Public Exploit
Arbitrary code execution in Linksys WRT54GL

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.03% Top 25%
Third-Party Advisory youtu.be Third-Party Advisory youtu.be Third-Party Advisory youtu.be
Affected: Linksys WRT54GL Wireless-G Broadband Router
Published at:
Updated at:

References

Link Tags
https://youtu.be/73-1lhvJPNg third party advisory exploit
https://youtu.be/TeWAmZaKQ_w third party advisory exploit
https://youtu.be/RfWVYCUBNZ0 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2022-43973?
CVE-2022-43973 has been scored as a high severity vulnerability.
How to fix CVE-2022-43973?
To fix CVE-2022-43973, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-43973 being actively exploited in the wild?
It is possible that CVE-2022-43973 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-43973?
CVE-2022-43973 affects Linksys WRT54GL Wireless-G Broadband Router.
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