Unauthorized Command Injection in LB-Link Routers
CVE-2025-57685

8.8HIGH

Key Information:

Vendor

LB-Link

Status
LB-Link Routers
Vendor
CVE Published:
22 September 2025

What is CVE-2025-57685?

LB-Link routers are susceptible to an unauthorized command injection vulnerability that can be exploited through the /goform/set_serial_cfg interface. This flaw allows attackers to gain elevated privileges on the device, enabling them to execute malicious commands remotely. It is crucial for users of affected models to secure their routers against potential exploitation.

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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