CVE-2025-7564
LB-LINK BL-AC3600 shadow hard-coded credentials
Description
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.
INFO
Published Date :
July 14, 2025, 3:15 a.m.
Last Modified :
July 17, 2025, 5:46 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Remove hard-coded credentials from the system.
- Implement secure password management practices.
- Review and restrict local access permissions.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-7564.
| URL | 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 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-7564 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-7564
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-7564 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-7564 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 17, 2025
Action Type Old Value New Value Added CWE CWE-798 Added CPE Configuration AND OR *cpe:2.3:o:lb-link:bl-ac3600_firmware:*:*:*:*:*:*:*:* versions up to (including) 1.0.22 OR cpe:2.3:h:lb-link:bl-ac3600:-:*:*:*:*:*:*:* Added Reference Type CISA-ADP: https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Types: Exploit, Third Party Advisory Added Reference Type CISA-ADP: https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.316262 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.316262 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.605630 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2025
Action Type Old Value New Value Added Reference https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Added Reference https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc -
New CVE Received by [email protected]
Jul. 14, 2025
Action Type Old Value New Value Added Description 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. Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CVSS V2 (AV:L/AC:L/Au:S/C:C/I:C/A:C) Added CWE CWE-798 Added CWE CWE-259 Added Reference https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md Added Reference https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc Added Reference https://vuldb.com/?ctiid.316262 Added Reference https://vuldb.com/?id.316262 Added Reference https://vuldb.com/?submit.605630