A vulnerability classified as critical was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This vulnerability affects the function bs_GetHostInfo in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack can 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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00058.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-21312 A vulnerability classified as critical was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This vulnerability affects the function bs_GetHostInfo in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack can 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md cve-icon cve-icon
https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md#poc cve-icon cve-icon
https://vuldb.com/?ctiid.316270 cve-icon cve-icon
https://vuldb.com/?id.316270 cve-icon cve-icon
https://vuldb.com/?submit.608009 cve-icon cve-icon
History

Mon, 14 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00032}

Mon, 14 Jul 2025 05:00:00 +0000

Type Values Removed Values Added
Description A vulnerability classified as critical was found in LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 up to 20250702. This vulnerability affects the function bs_GetHostInfo in the library libblinkapi.so of the file /cgi-bin/lighttpd.cgi. The manipulation leads to information disclosure. The attack can 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.
Title LB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosure
Weaknesses CWE-200
CWE-284
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR'}

cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R'}

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-07-14T13:20:49.491Z

Reserved: 2025-07-13T07:16:43.264Z

Link: CVE-2025-7572

cve-icon Vulnrichment

Updated: 2025-07-14T13:20:44.327Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-14T05:15:28.967

Modified: 2025-07-15T13:14:24.053

Link: CVE-2025-7572

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.