CVE-2026-51725: TOTOLINK T6 vulnerability
Published Aug 31, 2026
·Updated
Incorrect access control in the NTPSyncWithHost function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change the device clock 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
Frequently Asked Questions
1
What access does an attacker need to change the device clock?
No authentication is required. An attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi that reaches the NTPSyncWithHost function.
2
Which device and firmware version are identified as affected?
The affected product identified in the available data is the TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015.