CVE-2026-51726: TOTOLINK T6 4.1.5cu.748_B20211015 vulnerability
Published Aug 31, 2026
·Updated
Incorrect access control in the delParentalRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove parental-control rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Affected Software
1 affected component
TOTOLINK T6 4.1.5cu.748_B20211015=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
Frequently Asked Questions
1
Who can exploit this issue?
An unauthenticated attacker can exploit it, so no login credentials are required. The attacker would need to be able to send a crafted POST request to the router's CGI endpoint.
2
What is the impact of successful exploitation?
Successful exploitation allows an attacker to remove parental-control rules configured on the affected device.
3
Which endpoint is involved?
The affected functionality is reachable through a crafted POST request to /cgi-bin/cstecgi.cgi, targeting the delParentalRules function.