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.Referenceshttps://github.com/HouseFuzz/reports/blob/main/totolink/x5000r/delBlacklist/delBlacklist.md