Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in delBlacklist. Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setDmzCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setAccessDeviceCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setSyslogCfg . Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setModifyVpnUser. Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setUPnPCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.
In TOTOLINK X5000r v9.1.0cu.2350_b20230313, the file /cgi-bin/cstecgi.cgi contains an OS command injection vulnerability in setWanIeCfg. Authenticated Attackers can send malicious packet to execute arbitrary commands.