| Title | LB-LINK（深圳必联电子） Router B-Link AC1200 X-PRO(AC6)_Dual_V1.0.22-20231206 Hardcoded Credentials |
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| Description | The B-Link X-PRO(AC6) router firmware contains a hardcoded root password blinkadmin stored as an MD5 crypt hash in /etc/shadow. This password was confirmed through offline cracking of the extracted hash. Critically, the same string blinkadmin is reused across three separate security functions: the root password, the backup/restore AES encryption key, and the firmware verification string. This creates a single point of failure where knowledge of this one string compromises the entire device security posture. |
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| Source | ⚠️ https://github.com/DavCloudz/cve/blob/main/B-Link/B-Link%20AC1200%20X-PRO(AC6)%20Hardcoded%20Credentials%20Vulnerability.md |
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| User | Yun Zhang (UID 90491) |
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| Submission | 06/26/2026 11:20 (2 months ago) |
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| Moderation | 08/14/2026 21:11 (2 months later) |
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| Status | Accepted |
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| VulDB entry | 390090 [LB-LINK X-PRO 1.0.22-20231206 /etc/shadow hard-coded credentials] |
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| Points | 20 |
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