D-LINK DIR-3040 Libcli 命令注入漏洞(CVE-2021-21819)

The DIR-3040 is an AC3000-based wireless internet router. As discussed in TALOS-2021-1285, a hidden telnet service can be started without authentication by visiting https:///starttelnet This service presents the user with a login prompt for their “libcli test environment”: $ telnet 192.168.0.1...