A vulnerability was found in Linksys WRT54G 4.21.5. It has been rated as critical. Affected by this issue is the function validate_services_port of the file /apply.cgi of the component POST Parameter Handler. The manipulation of the argument services_array leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
A Command Injection vulnerability exists in the do_upgrade_post function of the httpd binary in Linksys E1500 v1.0.06.001. As a result, an authenticated attacker can execute OS commands with root privileges.
A vulnerability was discovered in Linksys Router E2500 with firmware 2.0.00, allows authenticated attackers to execute arbitrary code via the hnd_parentalctrl_unblock function.
Linksys Velop Pro 6E 1.0.8 MX6200_1.0.8.215731 and 7 1.0.10.215314 devices send cleartext Wi-Fi passwords over the public Internet during app-based installation.