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CVE-2026-5676

MEDIUM CVSS 4.0: 6.9 EPSS 0.08%
Updated Apr 07, 2026
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-306 (Missing Authentication for Critical Function), CWE-287 (Improper Authentication)
Public PoC No

A vulnerability was identified in Totolink A8000R 5.9c.681_B20180413. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument langType leads to missing authentication.

The attack can be launched remotely. The exploit is publicly available and might 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