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CVE-2026-5677

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 flaw has been discovered in Totolink A7100RU 7.4cu.2313_b20191024. Impacted is the function CsteSystem of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument resetFlags results in os command injection.

The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

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