Remote code execution vulnerability in LB-LINK X-PRO product by LB-LINK
CVE-2026-19901

9.2CRITICAL

Key Information:

Vendor

Lb-link

Status
X-pro
Vendor
CVE Published:
15 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19901?

A security flaw has been identified in the LB-LINK X-PRO version 1.0.22-20231206 that impacts an unspecified function within the /etc/config/easycwmp file. The vulnerability enables the presence of hard-coded credentials, which could be exploited remotely. Although the complexity of the attack is reported to be high, the exploit for this flaw has been publicly released, raising significant security concerns. Early attempts to notify the vendor of this issue received no response.

Affected Version(s)

X-PRO 1.0.22-20231206

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19901 - Proof of Concept

References

https://vuldb.com/vuln/390091
vdb-entry
https://vuldb.com/vuln/390091/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19901
third-party-advisory

CVSS V4

Score:
9.2
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yun Zhang (VulDB User)
VulDB CNA Team
.