CVE-2025-7572 | THREATINT

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.

In LB-LINK BL-AC1900, BL-AC2100_AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 bis 20250702 wurde eine Schwachstelle entdeckt. Sie wurde als kritisch eingestuft. Es geht um die Funktion bs_GetHostInfo in der Bibliothek libblinkapi.so der Datei /cgi-bin/lighttpd.cgi. Durch das Beeinflussen mit unbekannten Daten kann eine information disclosure-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-07-13 | Published 2025-07-14 | Updated 2025-07-14 | Assigner VulDB

MEDIUM: 6.9CVSS: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

MEDIUM: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R

MEDIUM: 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:W/RC:R

5.0AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:W/RC:UR

Problem types

Information Disclosure

Improper Access Controls

Product status

20250702

affected

20250702

affected

20250702

affected

20250702

affected

20250702

affected

20250702

affected

Timeline

2025-07-13:	Advisory disclosed
2025-07-13:	VulDB entry created
2025-07-13:	VulDB entry last update

Credits

waiwai24 (VulDB User) reporter

References

vuldb.com/?id.316270 (VDB-316270 | LB-LINK BL-WR9000 lighttpd.cgi bs_GetHostInfo information disclosure) vdb-entry technical-description

vuldb.com/?ctiid.316270 (VDB-316270 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.608009 (Submit #608009 | Blink BL-AX5400P V1.0.19、BL-AX1800 V1.0.19、BL-AC3600 V1.0.22、BL-WR9000 V2.4.9、BL-AC1900 V1.0.2、BL-AC2100_AZ3 V1.0.4 BL-AX5400P V1.0.19、BL-AX1800 V1.0.19、BL-AC3600 V1.0.22、BL-WR9000 V2.4.9、BL-AC1900 V1.0.2、BL-AC2100_AZ3 V1.0.4 Exposure) third-party-advisory

github.com/...nerabilities_in_Various_Blink_Router_Models.md related

github.com/...nerabilities_in_Various_Blink_Router_Models.md exploit

cve.org (CVE-2025-7572)

nvd.nist.gov (CVE-2025-7572)

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