Vulnerability in Lb-Link X-Pro
CVE-2026-19900
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.029 · change: +0.007
Affected products
- Lb-Link X-Pro — versions 1.0.22-20231206
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/390090 (vdb-entry)
- vuldb.com/vuln/390090/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19900 (third-party-advisory)
- vuldb.com/submit/870712 (third-party-advisory)
- github.com/DavCloudz/cve/blob/main/B-Link/B-Link AC1200 X-PRO(AC6) Hardcoded Cr… (exploit)
Frequently asked questions
- What is CVE-2026-19900?
- CVE-2026-19900 is a high-severity vulnerability in Lb-Link X-Pro, classified under Use of Hard-coded Password. CVSS score: 8.1/10. Published 2026-08-15.
- How severe is CVE-2026-19900?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2026-19900 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.