Totolink · Totolink X5000R · CVE-2023-6612
**Name of the Vulnerable Software and Affected Versions**
Totolink X5000R version 9.1.0cu.2300 B20230112
**Description**
A critical issue affects the function setDdnsCfg/setDynamicRoute/setFirewallType/setIPSecCfg/setIpPortFilterRules/setLancfg/setLoginPasswordCfg/setMacFilterRules/setMtknatCfg/setNetworkConfig/setPortForwardRules/setRemoteCfg/setSSServer/setScheduleCfg/setSmartQosCfg/setStaticDhcpRules/setStaticRoute/setVpnAccountCfg/setVpnPassCfg/setVpnUser/setWiFiAclAddConfig/setWiFiEasyGuestCfg/setWiFiGuestCfg/setWiFiRepeaterConfig/setWiFiScheduleCfg/setWizardCfg of the file /cgi-bin/cstecgi.cgi, leading to os command injection. The exploit has been disclosed to the public and may be used.
**Recommendations**
For Totolink X5000R version 9.1.0cu.2300 B20230112, as a temporary workaround, consider disabling the affected functions until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. Avoid using the affected functions in the meantime to prevent potential os command injection attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.