CVE-2026-51742

Incorrect access control in the discoverWan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger WAN discovery logic via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51727

Incorrect access control in the SystemSettings function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to retrieve administrative import and export endpoint information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51712

Incorrect access control in the setApWiFiSchCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter wireless availability windows via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-82597 TOTOLINK NR1800X cstecgi.cgi setUssd command injection

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used...

CVE-2026-51677

The TOTOLINK T6 wireless dual-band Mesh router is vulnerable to an improper access control flaw in the setUPnPCfg function. This vulnerability allows unauthenticated attackers to change the UPnP service state by sending a specially crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. The af...

CVE-2026-51709

Incorrect access control in the setWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reconfigure primary Wi-Fi settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51725

Incorrect access control in the NTPSyncWithHost function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change the device clock via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83899

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

EUVD-2026-68671

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

PT-2026-83965

Incorrect access control in the clearSyslog function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to erase system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83964

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the showSyslog function allows unauthenticated attackers to retrieve recent system logs. This is achieved by sending a crafted POST request to the...

EUVD-2026-68742

Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68754

Incorrect access control in the delWiFiScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove Wi-Fi schedule entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51702

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

CVE-2026-51728

Incorrect access control in the UploadFirmwareFile function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to upload a crafted firmware image via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51706

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the setSmartQosCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi , which allows for the degradati...

EUVD-2026-68007

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

CVE-2026-51658

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...

CVE-2026-51655

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

CVE-2026-51647

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...