CVE-2026-51710: TOTOLINK T6 vulnerability
Published Aug 31, 2026
·Updated
Incorrect access control in the setParentalRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter parental-control behavior 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
What does an attacker need to exploit this issue?
An attacker can exploit the issue without authentication by sending a crafted POST request to /cgi-bin/cstecgi.cgi that invokes the setParentalRules function.
2
Which systems are identified as affected?
The affected product and version identified in the available data are TOTOLINK T6 running 4.1.5cu.748_B20211015.
3
What security control can be changed through exploitation?
Successful exploitation allows an unauthenticated attacker to alter the router's parental-control behavior.