LB-LINK BL-AC1900 EUVD-2025-21311

| CVE-2025-7573 MEDIUM
Information Exposure (CWE-200)
2025-07-14 [email protected]
5.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 16, 2026 - 09:43 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 09:43 euvd
EUVD-2025-21311
PoC Detected
Jul 15, 2025 - 13:14 vuln.today
Public exploit code
CVE Published
Jul 14, 2025 - 05:15 nvd
MEDIUM 5.3

DescriptionNVD

A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This issue affects the function bs_GetManPwd in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack may be initiated remotely. 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.

Analysis

A vulnerability, which was classified as critical, has been found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This issue affects the function bs_GetManPwd in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack may be initiated remotely. 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.

Technical ContextAI

Information disclosure occurs when an application inadvertently reveals sensitive data to unauthorized actors through error messages, logs, or improper access controls. This vulnerability is classified as Information Exposure (CWE-200).

RemediationAI

Implement proper access controls. Sanitize error messages in production. Review logging practices to avoid capturing sensitive data.

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EUVD-2025-21311 vulnerability details – vuln.today

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