CVE-2025-57685

HIGH EPSS 69.6%

Published Sep 22, 20259mo ago · Modified Jun 17, 20262w ago

8.8 CVSS 3.1

High

Published Sep 22, 2025 9mo ago

Last Modified Jun 17, 2026 2w ago

Description

The LB-Link routers, including the BL-AC2100_AZ3 V1.0.4, BL-WR4000 v2.5.0, BL-WR9000_AE4 v2.4.9, BL-AC1900_AZ2 v1.0.2, BL-X26_AC8 v1.2.8, and BL-LTE300_DA4 V1.2.3 models, are vulnerable to unauthorized command injection. Attackers can exploit this vulnerability by accessing the /goform/set_serial_cfg interface to gain the highest level of device privileges without authorization, enabling them to remotely execute malicious commands.

CVSS Details

Base Score

8.8

Exploitability

2.8

Impact

5.9

Vector string

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector Adjacent

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

69.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-77 Command Injection Injection

References 3

bl-ac2100.com http://bl-ac2100.com
github.com https://github.com/mono7s/LB-Link/blob/main/bs_SetSerial.md
b-link.net.cn https://www.b-link.net.cn/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.