MEDIUM CVSS 5.5
Published: 2025-08-12

CVE-2025-40766

siemens sinec_traffic_analyzer Security Advisory (CVE-2025-40766)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-40766 impacting siemens sinec_traffic_analyzer. Evaluated with CVSS Base Score of 5.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions < V3.0). The affected application runs docker containers without adequate resource and security limitations. This could allow an attacker to perform a denial-of-service (DoS) attack.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
Low (PR:L)
Standard user access required
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 siemens / sinec_traffic_analyzer
Affected Versions *
Weakness Enumeration CWE-400

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-2025-40766 impacting siemens sinec_traffic_analyzer.

⚡ Nuclei Detection Template (YAML) cve-2025-40766.yaml
id: cve-2025-40766

info:
  name: siemens sinec_traffic_analyzer - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-40766 affecting siemens sinec_traffic_analyzer.
    Evaluation: A vulnerability has been identified in SINEC Traffic Analyzer (6GK8822-1BG01-0BA0) (All versions &lt; V3.0). The affected application runs docker cont...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-40766
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    cvss-score: 5.5
    cve-id: CVE-2025-40766
    cwe-id: CWE-400
  tags: cve,cve-2025-40766,siemens,sinec_traffic_analyzer,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "sinec_traffic_analyzer"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-40766.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-40766
# Target: siemens sinec_traffic_analyzer | CVSS: 5.5 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-40766 (siemens sinec_traffic_analyzer)...")
    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 siemens sinec_traffic_analyzer scope (*).")
        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-2025-40766.sh
# Recommended Remediation & Patching Commands for CVE-2025-40766
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install sinec_traffic_analyzer 2>/dev/null || \
sudo dnf upgrade sinec_traffic_analyzer 2>/dev/null || \
sudo yum update sinec_traffic_analyzer

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

# 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-2025-40766 in siemens sinec_traffic_analyzer?

Review vendor-specific security notices and update siemens sinec_traffic_analyzer 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-2025-40766?

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-2025-40766?

CVE-2025-40766 is classified with a CVSS 3.1 Base Score of 5.5 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
5.5
MEDIUM SEVERITY
CVE ID CVE-2025-40766
Weakness CWE-400
Vendor siemens
Product sinec_traffic_analyzer
Published 2025-08-12
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H