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 WL_atten_bb, WL_atten_radio, and WL_atten_ctl in the apply.cgi interface, thereby gaining shell privileges.
https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31740/Linksys_E2000_RCE.pdf