CVE-2025-7025 – A heap-based buffer overflow vulnerability in R... (How to Fix)

Q: What is the severity of CVE-2025-7025?

CVE-2025-7025 has a CVSS score of 7.8 (HIGH). A heap-based buffer overflow vulnerability in Rockwell Automation Arena Simulation allows attackers to execute arbitrary code or disclose information by tricking users into opening malicious files or webpages. This affects organizations using Arena Simulation software for industrial simulation and modeling. User interaction is required for exploitation.

📋 TL;DR

A heap-based buffer overflow vulnerability in Rockwell Automation Arena Simulation allows attackers to execute arbitrary code or disclose information by tricking users into opening malicious files or webpages. This affects organizations using Arena Simulation software for industrial simulation and modeling. User interaction is required for exploitation.

💻 Affected Systems

Products:

Rockwell Automation Arena Simulation

Versions: All versions prior to 16.20.01

Operating Systems: Windows

Default Config Vulnerable: ⚠️ Yes

Notes: Requires user to open malicious Arena file or visit malicious webpage while Arena is running.

📦 What is this software?

Arena by Rockwellautomation

View all CVEs affecting Arena →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution with system-level privileges leading to complete system compromise, data theft, or disruption of industrial operations.

🟠

Likely Case

Application crash, denial of service, or limited information disclosure from memory corruption.

🟢

If Mitigated

Application crash without code execution if memory protections are enabled.

🌐 Internet-Facing: MEDIUM

🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires user interaction and knowledge of Arena file format. No public exploits available as of advisory date.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 16.20.01

Vendor Advisory: https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1731.html

Restart Required: Yes

Instructions:

1. Download Arena Simulation version 16.20.01 from Rockwell Automation website. 2. Run installer with administrative privileges. 3. Follow installation wizard. 4. Restart system after installation completes.

🔧 Temporary Workarounds

Restrict file execution

windows

Block execution of untrusted Arena files via application control policies.

User awareness training

all

Train users to only open Arena files from trusted sources.

🧯 If You Can't Patch

Implement application whitelisting to prevent execution of untrusted Arena files.
Restrict user privileges to standard accounts without administrative rights.

🔍 How to Verify

Check if Vulnerable:

Check Arena Simulation version via Help > About in application menu.

Check Version:

Not applicable - check via GUI only.

Verify Fix Applied:

Verify version shows 16.20.01 or higher in Help > About dialog.

📡 Detection & Monitoring

Log Indicators:

Application crash logs from Arena Simulation
Windows Event Logs showing application failures

Network Indicators:

Unusual outbound connections from Arena process

SIEM Query:

source="windows" AND (process_name="Arena.exe" AND event_id=1000)

📊 Metadata

CVE ID: CVE-2025-7025

CVSS v3 Score: 7.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-122

EPSS Score: 0.02% exploit probability (5.3th percentile)

Published: August 5, 2025

Last Updated: August 7, 2025

🔗 References

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1731.html Vendor Advisory

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🔗 Related Vulnerabilities

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