CVE-2026-51648: TOTOLINK T6 vulnerability
Published Aug 28, 2026
·Updated
Incorrect access control in the getWanInfo function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain WAN information returned by the endpoint 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 WAN information?
The issue can be exploited without authentication by sending a crafted POST request to /cgi-bin/cstecgi.cgi.
2
Which product version is identified as affected?
The affected version identified is TOTOLINK T6 4.1.5cu.748_B20211015.