CVE-2026-35869 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-20

References

https://github.com/Orcust-Automaton/Vulnerability/blob/main/LB-Link/AC450M/bs_Se

FAQ

What is CVE-2026-35869?

CVE-2026-35869 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 sanitiz...

How severe is CVE-2026-35869?

CVE-2026-35869 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-35869?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.