CVE-2026-51705: TOTOLINK T6 vulnerability
Published Aug 31, 2026
·Updated
Incorrect access control in the setWiFiMeshName function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to rename mesh entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Affected Software
1 affected component
TOTOLINK T6=4.1.5cu.748_B20211015
Event History
Aug 31, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·04:18 PM
Description
Frequently Asked Questions
1
Who can exploit this issue?
An unauthenticated attacker who can send a crafted POST request to the device's /cgi-bin/cstecgi.cgi endpoint can exploit it. This makes systems reachable by untrusted network users the relevant exposure scenario.
2
What action can an attacker perform?
An attacker can rename WiFi mesh entries by invoking the setWiFiMeshName function with a crafted POST request.
3
Which version is identified as affected?
The affected version identified is TOTOLINK T6 4.1.5cu.748_B20211015.