CVE-2023-31740: Command Injection
There is a command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06. If an attacker gains web management privileges, they can inject commands into the post request parameters WLattenbb, WLattenradio, and WLattenctl in the apply.cgi interface, thereby gaining shell privileges.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Linksys E2000 routerto a version that resolves this vulnerability.Fixed in 1.0.06 - Compensating control
Restrict access to the router web management interface (apply.cgi) so that only trusted users/IPs can reach it, reducing the impact of command injection via post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl.
Event History
Frequently Asked Questions
What is the severity of CVE-2023-31740?
The severity of CVE-2023-31740 is high.
How does the command injection vulnerability in the Linksys E2000 router affect the firmware version 1.0.06?
The command injection vulnerability allows an attacker with web management privileges to inject commands into the post request parameters, potentially gaining shell access.
Which parameters in the apply.cgi interface are affected by the command injection vulnerability in the Linksys E2000 router?
The command injection vulnerability affects the post request parameters WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface of the Linksys E2000 router.
What can an attacker do if they exploit the command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06?
If an attacker gains web management privileges and exploits the command injection vulnerability, they can inject commands into the affected parameters, potentially gaining shell access and executing arbitrary commands on the router.
How can I mitigate the command injection vulnerability in the Linksys E2000 router with firmware version 1.0.06?
To mitigate the vulnerability, it is recommended to update the firmware to a version that includes a fix for the vulnerability or apply any patches or workarounds provided by the vendor.