TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38402)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. There is an access control vulnerability in TOTOLINK T6. This vulnerability stems from improper access control in the CloudSrvVersionCheck function. Attackers can exploit this vulnerability by sending a specially crafted POST...

CVE-2026-51769

Incorrect access control in the remoteCloudUpdateCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to restart the cloud update check workflow via sending a crafted MQTT message to the csbroker component...

CVE-2026-51739

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...

PT-2026-83978

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

CVE-2025-60682

A command injection vulnerability exists in the ToToLink A720R Router firmware V4.1.5cu.614B20230630 within the cloudupdatecheck binary, specifically in the sub402414 function that handles cloud update parameters. User-supplied 'magicid' and 'url' values are directly concatenated into shell...