CVE-2026-51644: TOTOLINK T6 vulnerability
Published Aug 28, 2026
·Updated
Incorrect access control in the getCrpcConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain cloud remote-control status and URL information via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Affected Software
1 affected component
TOTOLINK T6=4.1.5cu.748_B20211015
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
TOTOLINK T6to a version that resolves this vulnerability.Fixed in 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 can exploit this issue?
An unauthenticated attacker can exploit it by sending a crafted POST request to the affected CGI endpoint. No prior login is required.
2
What information could be exposed?
The issue can disclose the device's cloud remote-control status and URL information.
3
Which device and firmware are identified as affected?
The reported affected product is the TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015.