Tenda AX1803 v1.0.0.1_2890 is vulnerable to Buffer Overflow. The vulnerability lies in rootfs_ In / goform / setsystimecfg of / bin / tdhttpd in ubif file system attackers can access http://ip/goform/SetSysTimeCfg and by setting the ntpserve parameter the stack buffer overflow can be caused to achieve the effect of router denial of service.