CVE-2026-35869

Critical

Description

A Command Injection vulnerability exists in the bs_SetLimitCli_info function within the libshare.so library of LB-link Router AC450M V4.0.0. This flaw occurs due to insufficient validation and sanitization of user-supplied input before it is passed to a system-level command execution context. An attacker can exploit this vulnerability by injecting specially crafted shell metacharacters or payloads into the vulnerable parameter, resulting in the execution of arbitrary operating system commands.

SeverityCritical
CVSS9.8
Exploit probability—
ProductRouter AC450M
PublishedAug 27, 2026
First seenAug 27, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
LB-link Router AC450M4.0.0—

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CVE-2026-35869 · Router AC450M · Dark Radar