CVE-2026-35867: Lb-Link AC1900 Firmware

Low severity, CVSS 3.1. EPSS: 1% chance of exploitation in the next 30 days.

A Command Injection vulnerability exists in the bs_SetLimitCli_info function within the libshare.so library of the LB-LINK router AC1900_AZ2 V1.0.2 via shell metacharacters, if the device is deployed in a scenario where an actor is able to make a "POST /goform/set_LimitClient_cfg" call but does not already have administrative access to the device.

Affected products

• Lb-Link AC1900 Firmware: version 1.0.2 only

Published 2026-09-13. Last modified 2026-09-22.