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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-16 · updated 2026-06-17
Weakness: CWE-77

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.

Affected products

Topsec TopACM: 3.0

References

https://my.feishu.cn/docx/EAFFdhzoeodDxfxeazNcxBzCnRf?from=from_copylink
https://vuldb.com/?ctiid.351077
https://vuldb.com/?id.351077
https://vuldb.com/?submit.769768

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