CVE-2026-4170 CRITICAL

CVE-2026-4170: Topsec TopACM HTTP Request nmc_sync.php os command injection

Vendor Topsec
Product TopACM
Weakness CWE-78
Published March 15, 2026
Last update March 16, 2026

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

Description

A weakness has been identified in Topsec TopACM 3.0. Affected by this vulnerability is an unknown functionality of the file /view/systemConfig/management/nmc_sync.php of the component HTTP Request Handler. Executing a manipulation of the argument template_path can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Key dates

Disclosure timeline

March 15, 2026 CVE published
March 16, 2026 Record updated