CVE-2026-51634: TOTOLINK T6 vulnerability
Published Aug 28, 2026
·Updated
Incorrect access control in the getWiFiBasicCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain core wireless settings, including SSIDs and Wi-Fi keys, 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
What access does an attacker need to retrieve the wireless settings?
No authentication is required. An attacker can exploit the issue by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
2
What information could be exposed?
The vulnerable getWiFiBasicCfg function can disclose core wireless settings, including SSIDs and Wi-Fi keys.
3
Which device version is identified as affected?
The reported affected version is TOTOLINK T6 4.1.5cu.748_B20211015.