Vulnerability Monitor

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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.

Published

2025-07-14T03:15:24.557

Last Modified

2025-07-17T17:46:52.167

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.1

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-259
CWE-798
Type: Primary
CWE-798

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	lb-link	bl-ac3600_firmware	≤ 1.0.22	Yes
Hardware	lb-link	bl-ac3600	-	No

References

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Exploit, Third Party Advisory ([email protected])
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Exploit, Third Party Advisory ([email protected])
https://vuldb.com/?ctiid.316262 Permissions Required, VDB Entry ([email protected])
https://vuldb.com/?id.316262 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.605630 Third Party Advisory, VDB Entry ([email protected])
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Exploit, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Exploit, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)