CVE-2026-19900

CRITICAL CVSS 4.0: 8.2 EPSS 2.24%
Updated Aug 20, 2026
Lb-Link
Parameter Value
CVSS 8.2 (CRITICAL)
Type CWE-798 (Hardcoded Credentials), CWE-259
Vendor Lb-Link
Public PoC No

A vulnerability was identified in LB-LINK X-PRO 1.0.22-20231206. The impacted element is an unknown function of the file /etc/shadow. The manipulation leads to hard-coded credentials.

It is possible to initiate the attack remotely. A high degree of complexity is needed for the attack. The exploitability is regarded as difficult.

The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult 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

Vulnerable Products

lb-link:x-pro