CVE-2025-57685

CVSS 8.8 HIGHEPSS 1.4%CWE-77

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 1.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

22 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

Affected products

n/a · n/a

References

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