CVE-2026-19900

HIGH 8.1

LB-LINK X-PRO shadow hard-coded credentials

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-798 CWE-259
Vendor	lb-link
Product	x-pro
Published	Aug 15, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

LB-LINK / X-PRO

1.0.22-20231206

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/390090 vuldb.com: https://vuldb.com/vuln/390090/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19900 vuldb.com: https://vuldb.com/submit/870712 github.com: https://github.com/DavCloudz/cve/blob/main/B-Link/B-Link%20AC1200%20X-PRO(AC6)%20Hardcoded%20Credentials%20Vulnerability.md

Credits

🔍 Yun Zhang (VulDB User) VulDB CNA Team