Is CVE-2026-4170 actively exploited?

No active exploitation of CVE-2026-4170 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-4170 be exploited remotely?

Yes. CVE-2026-4170 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-4170?

CVE-2026-4170 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2026-4170

CWE-77Published: March 16, 2026· Updated: Mar 16, 2026

9.8

CVSS v3.1

EPSS:0.15%probability of exploitation in 30 daysPercentile:35.8th

Official 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.

NVD Source

Technical Analysis

CVE-2026-4170 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.