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CVE-2026-5691

MEDIUM CVSS 4.0: 6.9 EPSS 4.86%
Updated Apr 07, 2026
Totolink
Parameter Value
CVSS 6.9 (MEDIUM)
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 affects the function setFirewallType of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument firewallType leads to os command injection.

The attack is possible to be carried out remotely. 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
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0