A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible.

Incorrect access control in the setDevReboot function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reboot the local device and, on a master, fan out reboot commands to mesh slaves via sending a crafted MQTT message to the csbroker component.

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the csbroker component.

Incorrect access control in the setLanguageCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify language configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setNtpCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter time synchronization settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getCloudDownloadStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain cloud firmware download state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setWiFiSignalCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reduce wireless power or cause a Denial of Service (DoS) via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to add or change static DHCP rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter dynamic DNS state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the delPortForwardRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to delete port-forwarding rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the delUrlFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove URL filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing a manipulation of the argument desc can lead to memory corruption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

Incorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain setup wizard and onboarding configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getOnlineClient function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain online client information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getWanIeCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain LAN addressing and DHCP configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getIptvCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain IPTV and IGMP configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getNetInfoCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain network topology and interface configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive information such as SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getLanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain LAN addressing and DHCP configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getStationMacByIp function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain a client MAC address via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getSysStatusCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive information such as operation mode, firmware version, serial number, WAN/LAN IP addresses, WiFi SSID, encryption keys, and connected client statistics via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getInitCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive device configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getDdnsStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain DDNS runtime status and public IP information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getCrpcConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain cloud remote-control status and URL information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getCrpcCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain cloud remote-control status and URL information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getMeshRoutingTable function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain mesh routing information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getRemoteCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain remote-management enablement and port information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getWiFiMeshConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain mesh configuration and runtime state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getWanInfo function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain WAN information returned by the endpoint via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the getDmzCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain DMZ configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.