HIGH CVSS 7.5
Published: 2025-09-09

CVE-2025-9166

rockwellautomation controllogix_5580_firmware Security Advisory (CVE-2025-9166)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-9166 impacting rockwellautomation controllogix_5580_firmware. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to forward messages. The issue could result in a major nonrecoverable fault on the controller.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product rockwellautomation / controllogix_5580_firmware
Affected Versions 35.013
Weakness Enumeration CWE-476

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2025-9166 impacting rockwellautomation controllogix_5580_firmware.

⚡ Nuclei Detection Template (YAML) cve-2025-9166.yaml
id: cve-2025-9166

info:
  name: rockwellautomation controllogix_5580_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2025-9166 affecting rockwellautomation controllogix_5580_firmware.
    Evaluation: A denial-of-service security issue exists in the affected product and version. The security issue stems from the controller repeatedly attempting to f...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-9166
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 7.5
    cve-id: CVE-2025-9166
    cwe-id: CWE-476
  tags: cve,cve-2025-9166,rockwellautomation,controllogix_5580_firmwar,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "controllogix_5580_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-9166.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-9166
# Target: rockwellautomation controllogix_5580_firmware | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-9166 (rockwellautomation controllogix_5580_firmware)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against rockwellautomation controllogix_5580_firmware scope (35.013).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2025-9166.sh
# Recommended Remediation & Patching Commands for CVE-2025-9166
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install controllogix_5580_firmwar 2>/dev/null || \
sudo dnf upgrade controllogix_5580_firmwar 2>/dev/null || \
sudo yum update controllogix_5580_firmwar

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i controllogix_5580_firmwar 2>/dev/null || rpm -qa | grep -i controllogix_5580_firmwar

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-9166 in rockwellautomation controllogix_5580_firmware?

Review vendor-specific security notices and update rockwellautomation controllogix_5580_firmware packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2025-9166?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2025-9166?

CVE-2025-9166 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2025-9166
Weakness CWE-476
Vendor rockwellautomation
Product controllogix_5580_firmware
Published 2025-09-09
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H