TOTOLINK X5000R Limit Parameter Command Injection Vulnerability in the setVpnAccountCfg Function

The TOTOLINK X5000R is a router from China's Gion Electronics TOTOLINK. A command injection vulnerability exists in the TOTOLINK X5000R version V9.1.0cu.2350B20230313, which stems from the "limit" parameter in setVpnAccountCfg failing to correctly filter constructor special characters, commands,...