Vulnerability · Published Jul 14, 2025 · Assigned by VulDB
CVE-2025-7564LB-LINK BL-AC3600 shadow hard-coded credentials
High 7.8
In plain English
A high-severity hard-coded credentials in BL-AC3600 from LB-LINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-798, CWE-259 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-316262 | LB-LINK BL-AC3600 shadow hard-coded credentials vdb-entry, technical-description
- VDB-316262 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #605630 | Blink BL-AC3600 V1.0.22 Hard-coded Credentials third-party-advisory
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md related
- https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Hardcoded_Credentials_in_BL-AC3600_Routers.md#poc exploit