HIGH CVSS 7.8
Published: 2022-08-25

CVE-2022-36501

h3c magic_nx18_plus_firmware Security Advisory (CVE-2022-36501)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2022-36501?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-36501 impacting h3c magic_nx18_plus_firmware. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function UpdateSnat.

📊 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
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product h3c / magic_nx18_plus_firmware
Affected Versions nx18pv100r003
Weakness Enumeration CWE-787

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-2022-36501 impacting h3c magic_nx18_plus_firmware.

⚡ Nuclei Detection Template (YAML) cve-2022-36501.yaml
id: cve-2022-36501

info:
  name: h3c magic_nx18_plus_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2022-36501 affecting h3c magic_nx18_plus_firmware.
    Evaluation: H3C Magic NX18 Plus NX18PV100R003 was discovered to contain a stack overflow via the function UpdateSnat....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-36501
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2022-36501
    cwe-id: CWE-787
  tags: cve,cve-2022-36501,h3c,magic_nx18_plus_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "magic_nx18_plus_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-36501.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-36501
# Target: h3c magic_nx18_plus_firmware | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2022-36501 (h3c magic_nx18_plus_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 h3c magic_nx18_plus_firmware scope (nx18pv100r003).")
        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-2022-36501.sh
# Recommended Remediation & Patching Commands for CVE-2022-36501
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install magic_nx18_plus_firmware 2>/dev/null || \
sudo dnf upgrade magic_nx18_plus_firmware 2>/dev/null || \
sudo yum update magic_nx18_plus_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i magic_nx18_plus_firmware 2>/dev/null || rpm -qa | grep -i magic_nx18_plus_firmware

# 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-2022-36501 in h3c magic_nx18_plus_firmware?

Review vendor-specific security notices and update h3c magic_nx18_plus_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-2022-36501?

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-2022-36501?

CVE-2022-36501 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2022-36501
Weakness CWE-787
Vendor h3c
Product magic_nx18_plus_firmware
Published 2022-08-25
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H