CVE-2026-51694: TOTOLINK T6 vulnerability
Published Aug 31, 2026
·Updated
Incorrect access control in the setStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to add or change static DHCP rules 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 exploit this issue?
An attacker does not need to authenticate. Exploitation consists of sending a crafted POST request to /cgi-bin/cstecgi.cgi that reaches the setStaticDhcpRules function.
2
What could an attacker change if exploitation succeeds?
The attacker can add or modify static DHCP rules. The provided information does not specify any additional impacts or required network position.