CVE-2026-51663: TOTOLINK T6 vulnerability
Published Aug 28, 2026
·Updated
Incorrect access control in the getWiFiApcliScan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger wireless scans and retrieve AP-client scan results 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 28, 2026
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Frequently Asked Questions
1
Who is exposed to this issue?
TOTOLINK T6 devices running firmware version 4.1.5cu.748_B20211015 are affected. An attacker must be able to send requests to the device's web interface.
2
Does exploitation require authentication?
No. The vulnerable getWiFiApcliScan function can be reached without authentication using a crafted POST request to /cgi-bin/cstecgi.cgi.
3
What can an attacker obtain or cause?
An unauthenticated attacker can trigger wireless scans and retrieve AP-client scan results.