SecuriTricks - CVE-2025-7572

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.

Product(s) Impacted

Vendor	Product	Versions
Lb-link	Bl-ac1900 Bl-ac2100 Az3 Bl-ac3600 Bl-ax1800 Bl-ax5400p Bl-wr9000	* * * * * *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	lb-link	bl-ac1900	/	/	/	/	/	/	/	/
a	lb-link	bl-ac2100_az3	/	/	/	/	/	/	/	/
a	lb-link	bl-ac3600	/	/	/	/	/	/	/	/
a	lb-link	bl-ax1800	/	/	/	/	/	/	/	/
a	lb-link	bl-ax5400p	/	/	/	/	/	/	/	/
a	lb-link	bl-wr9000	/	/	/	/	/	/	/	/

References

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md

https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Information_Exposure_Vulnerabilities_in_Various_Blink_Router_Models.md#poc

https://vuldb.com/?ctiid.316270

https://vuldb.com/?id.316270

https://vuldb.com/?submit.608009

CVSS Score

5.5 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: PROOF_OF_CONCEPT

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/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

View Vector String

Timeline

Published: July 14, 2025, 5:15 a.m.
Last Modified: July 15, 2025, 1:14 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cna@vuldb.com

CVE-2025-7572