CVE-2026-51627: TOTOLINK T6 vulnerability
Published Aug 28, 2026
·Updated
Incorrect access control in the getIptvCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain IPTV and IGMP configuration information 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 affected configuration data?
An attacker does not need to authenticate. They can send a crafted POST request to /cgi-bin/cstecgi.cgi that reaches the device's getIptvCfg function.
2
What information may be exposed?
The issue allows retrieval of IPTV and IGMP configuration information.
3
Which firmware version is identified as affected?
The reported affected version is TOTOLINK T6 firmware 4.1.5cu.748_B20211015.