CVE-2026-19901
LB-LINK X-PRO easycwmp hard-coded credentials
- State
- Published
- Severity
- 9.2 Critical
- Published
- Aug 15, 2026
- Updated
- Aug 18, 2026
- Reserved
- Aug 14, 2026
Description
A security flaw has been discovered in LB-LINK X-PRO 1.0.22-20231206. This affects an unknown function of the file /etc/config/easycwmp. The manipulation results in hard-coded credentials. It is possible to launch the attack remotely. Attacks of this nature are highly complex. The exploitability is reported as difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.2 Critical | CVSS: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 |
| 3.1 | 8.1 High | 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 | VulDB |
| 3.0 | 8.1 High | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 7.6 High | AV:N/AC:H/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
X-PROLB-LINK |
|
References
- VDB-390091 | LB-LINK X-PRO easycwmp hard-coded credentialsvdb-entry
- VDB-390091 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-19901 | CVE Analysis and Reportthird-party-advisory
- Submit #870763 | LB-LINK（深圳必联电子） B-Link AC1200 X-PRO(AC6)_Dual_V1.0.22-20231206-upgrade.bin Hardcoded Credentialsthird-party-advisory
- https://github.com/DavCloudz/cve/blob/main/B-Link/Hardcoded%20TR-069%20(easycwmp)%20Remote%20Management%20Credentials.mdexploit
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