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CVE-2026-5688

MEDIUM CVSS 4.0: 6.9 EPSS 4.86%
Updated Apr 07, 2026
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Public PoC No

A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument provider leads to os command injection.

The attack may be launched remotely. The exploit has been disclosed publicly 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