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CVE-2026-6116

HIGH CVSS 4.0: 8.9 EPSS 1.25%
Updated Apr 12, 2026
Totolink
Parameter Value
CVSS 8.9 (HIGH)
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Vendor Totolink
Public PoC No

A vulnerability has been found in Totolink A7100RU 7.4cu.2313_b20191024. This vulnerability affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument ip leads to os command injection.

Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0