by Kastro
Paper/Archive/CVE-2026-19900

CVE-2026-19900

LB-LINK X-PRO — LB-LINK X-PRO shadow hard-coded credentials

EPSS 3%public exploitCVSS 9.2
critical.is priorityof 100
55
CVSS 9.2 (CNA)9.2 / 10 × 3027.6Not in CISA KEV+300.0EPSS percentile 87.1.871 × 2017.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
X-PRO1.0.22-20231206–CNA

Scores by source

VulDB (CNA)9.2CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
VulDB (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

refvuldb.com/vuln/390090refvuldb.com/vuln/390090/ctiwriteupvuldb.com/cve/CVE-2026-19900writeupvuldb.com/submit/870712exploitgithub.com/DavCloudz/cve/blob/main/B-Link/B-Link%20AC1200%20X-PRO(AC6)%20Hardcoded%20Credentials%20Vulnerability.md