CVE-2025-7564

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.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:S/C:C/I:C/A:C

Exploitability : 3.1 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md	Exploit Third Party Advisory
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc	Exploit Third Party Advisory
https://vuldb.com/?ctiid.316262	Permissions Required VDB Entry
https://vuldb.com/?id.316262	Third Party Advisory VDB Entry
https://vuldb.com/?submit.605630	Third Party Advisory VDB Entry
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md	Exploit Third Party Advisory
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:lb-link:bl-ac3600_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:lb-link:bl-ac3600:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-07-14 03:15

Updated : 2025-07-17 17:46

NVD link : CVE-2025-7564

Mitre link : CVE-2025-7564

CVE.ORG link : CVE-2025-7564

JSON object : View

Products Affected

lb-link

bl-ac3600
bl-ac3600_firmware

CWE

CWE-259

Use of Hard-coded Password

CWE-798

Use of Hard-coded Credentials

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