Cyber Resilience

CVE-2025-71211

Critical

Published: 21 May 2026

Published
21 May 2026
Modified
22 May 2026
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0375 88.6th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2025-71211 is a critical-severity Path Traversal (CWE-22) vulnerability in Trendmicro Apex One. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 11.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A vulnerability in the Trend Micro Apex One management console could allow a remote attacker to upload malicious code and execute commands on affected installations. This vulnerability is similar in scope to CVE-2025-71210 but affects a different executable. Please note:…

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although this vulnerability carries a technical critical CVSS rating, this was reported via responsible disclosure via a researcher through the Zero Day Initiative. The SaaS versions of the product have already been mitigated and no customer action required. For this particular vulnerability, an attacker must have access to the Trend Micro Apex One Management Console, so customers that have their console�s IP address exposed externally should consider mitigating factors such as source restrictions if not already applied.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1505.003 Web Shell Persistence
Adversaries may backdoor web servers with web shells to establish persistent access to systems.
Why these techniques?

Path traversal in management console enables remote upload of malicious code (web shell) and command execution on exposed installations.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-71210Same product: Trendmicro Apex One
CVE-2026-45208Same product: Trendmicro Apex One
CVE-2026-34929Same product: Trendmicro Apex One
CVE-2026-34927Same product: Trendmicro Apex One
CVE-2025-71216Same product: Trendmicro Apex One
CVE-2025-71214Same product: Trendmicro Apex One
CVE-2026-45207Same product: Trendmicro Apex One
CVE-2026-45206Same product: Trendmicro Apex One
CVE-2025-71217Same product: Trendmicro Apex One
CVE-2025-71213Same product: Trendmicro Apex One

Affected Assets

trendmicro
apex one
≤ 14.0.0.14136 · ≤ 14.0.20315

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References