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Mallory
Critical

Trend Micro Apex One Management Console Directory Traversal RCE

IdentifiersCVE-2025-71210CWE-22· Improper Limitation of a Pathname…

CVE-2025-71210 is a critical directory traversal vulnerability in the Trend Micro Apex One management console. The flaw affects the Apex One console component and is described as resulting from improper validation of a user-supplied string before it is used in a system call. This weakness allows a remote attacker to traverse paths and upload malicious code, ultimately achieving arbitrary command/code execution on affected installations. Public reporting indicates the Apex One console listens on TCP ports 8080 and 4343 by default, and exploitation can be performed without authentication. Successful exploitation results in code execution in the context of the IUSR account.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows a remote attacker to upload malicious code and execute arbitrary commands on the affected Apex One installation. This can lead to full compromise of the management console host within the privileges of the vulnerable service context, identified in reporting as IUSR. Given the CVSS 9.8 rating and the ability to execute attacker-controlled code remotely, the vulnerability can enable follow-on actions including malware deployment, tampering with endpoint security management, pivoting from the management server, and disruption of security operations.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, restrict access to the Apex One Management Console as much as possible. Trend Micro specifically advised customers whose console IP addresses are externally exposed to apply source restrictions. Practical mitigations therefore include removing internet exposure, limiting access to trusted administrative networks or VPNs, enforcing IP allowlists/source ACLs, and reducing reachability to the console ports (reported as 8080 and 4343 by default) until patches are applied.

Remediation

Patch, then assume compromise.

Apply Trend Micro's vendor fix for CVE-2025-71210. Reporting indicates Trend Micro released Critical Patch Build 14136 to address the Apex One management console RCE issues, and customers should update to the latest available builds immediately. Trend Micro also stated that SaaS versions were already mitigated and require no customer action. Where applicable, follow Trend Micro advisory KA-0022458 for product-specific update guidance.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
Trend MicroApex Oneapplication
Trend MicroApexone Opapplication
Trend MicroApexone Saasapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity16

Community discussion across Reddit, Mastodon, and other social sources.