CVE-2025-57685

8.8 highEPSS 1.2%

High (8.8). EPSS 1.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.8 high

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

EPSS: 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
CWE: CWE-77
Published: 2025-09-22
Modified: 2026-07-05
Record from: the NVD, synced 2026-10-19

References

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

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