PT-2025-29423 · Lb Link · Blink Bl-Ac2100 Az3+5

Waiwai24 · Published 2025-07-02 · Updated 2025-07-14 · CVE-2025-7573

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions: LB-LINK BL-AC1900 LB-LINK BL-AC2100 AZ3 LB-LINK BL-AC3600 LB-LINK BL-AX1800 LB-LINK BL-AX5400P LB-LINK BL-WR9000 versions up to 20250702

Description: A critical vulnerability exists that leads to information disclosure. The issue is located in the bs GetManPwd function within the libblinkapi.so library of the /cgi-bin/lighttpd.cgi file. The attack can be initiated remotely. The exploit has been publicly disclosed.

Recommendations: For LB-LINK BL-AC1900, BL-AC2100 AZ3, BL-AC3600, BL-AX1800, BL-AX5400P and BL-WR9000 versions up to 20250702, update to a version later than 20250702.

Exploit

Fix

Improper Access Control

Information Disclosure

Weakness Enumeration

CWE-284

CWE-200

Related Identifiers

BDU:2025-16483

CVE-2025-7573

Affected Products

Lb-Link Bl-Ac1900

Blink Bl-Ac2100 Az3

Lb-Link Bl-Ac3600

Lb-Link Bl-Ax1800

Lb-Link Bl-Ax5400P

Lb-Link Bl-Wr9000

References · 11

• 🔥 https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md · Exploit
• 🔥 https://github.com/waiwai24/0101/blob/main/CVEs/Blink/Web_Interface_Login_Credential_Disclosure_Risk_in_Various_Blink_Router_Models.md#poc · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-7573 · Security Note
• https://bdu.fstec.ru/vul/2025-16483 · Security Note
• https://vuldb.com/?submit.608010 · Note
• https://vuldb.com/?id.316271 · Note
• https://t.me/cvetracker/27736 · Telegram Post
• https://vuldb.com/?ctiid.316271 · Note
• https://t.me/cvenotify/128860 · Telegram Post
• https://t.me/cvenotify/128798 · Telegram Post
• https://twitter.com/CVEnew/status/1944628631915114684 · Twitter Post