CVE-2025-7564: LB-LINK BL-AC3600 shadow hard-coded credentials

Published Jul 14, 2025
·
Updated

A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC3600 1.0.22. Affected by this issue is some unknown functionality of the file /etc/shadow. The manipulation with the input root:blinkadmin leads to hard-coded credentials. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Software

3 affected components
LB-LINK Bl-ac3600
All of the following
LB-LINK Bl-ac3600 Firmware<=1.0.22
LB-LINK Bl-ac3600

Event History

Jul 14, 2025
CVE Published
via MITRE·02:32 AM
Data Sourced
via MITRE·02:32 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Mar 7, 57592
Event
via FIRST·07:10 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-7564?

CVE-2025-7564 has been classified as a critical severity vulnerability.

2

How does CVE-2025-7564 affect LB-LINK BL-AC3600 devices?

CVE-2025-7564 allows local attackers to exploit hard-coded credentials leading to potential unauthorized access.

3

What versions of LB-LINK BL-AC3600 are impacted by CVE-2025-7564?

CVE-2025-7564 affects LB-LINK BL-AC3600 with firmware version 1.0.22.

4

How can I exploit the vulnerability CVE-2025-7564?

Exploitation of CVE-2025-7564 requires local access and use of specific input credentials.

5

What steps should be taken to mitigate CVE-2025-7564?

To mitigate CVE-2025-7564, users should change the default credentials and monitor for unauthorized access.

Contact

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