CVE-2026-35867 PUBLISHED

Assigner: mitre
Reserved: 06.04.2026 Published: 13.09.2026 Updated: 14.09.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	High	Integrity Impact	Low
User Interaction	None	Availability Impact	Low

CVSS 3.1

Product Status

Vendor	LB-LINK
Product	AC1900 firmware
Versions	Default: unknown Version 1.0.2 is affected

References

https://github.com/Orcust-Automaton/Vulnerability/blob/main/LB-Link/AC1900_AZ2/bs_SetLimitCli_info.md

Problem Types

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE