CVE-2026-51667

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

EUVD-2026-68645

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

CVE-2026-51687

Incorrect access control in the setWiFiEasyGuestCf function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to create or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83961

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the delWiFiScheduleCfg function allows unauthenticated attackers to remove Wi-Fi schedule entries. This is achieved by sending a crafted POST request to the...

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-2026-51666

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

CVE-2026-51671

The TOTOLINK T6 wireless dual-band Mesh router (specifically version 4.1.5cu.748_B20211015 ) is vulnerable to an improper access control flaw in the getCloudDownloadStatus function. This security weakness allows unauthenticated attackers to obtain sensitive cloud firmware download state informati...

EUVD-2026-68582

Incorrect access control in the setWiFiEasyGuestCf function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to create or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51709

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

EUVD-2026-68584

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51694

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the setStaticDhcpRules function. This vulnerability allows unauthenticated attackers to add or modify static DHCP rules by sending a specially crafted ...

PT-2026-83876

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setParentalRules function allows unauthenticated attackers to modify parental-control behavior. This is achieved by sending a specially crafted POST request ...

EUVD-2026-68583

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...

CVE-2026-51734

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

CVE-2026-51720

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw within the delIpPortFilterRules function. This vulnerability allows unauthenticated attackers to remove firewall filter rules by sending a crafted POST re...

CVE-2026-51737

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

CVE-2026-51733: Improper Access Control

Incorrect access control in the FirmwareUpgrade 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-2026-51736: Improper Access Control

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

CVE-2026-51717: Improper Access Control

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

CVE-2026-51719: Improper Access Control

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...