MEDIUM CVSS 5.5
Published: 2022-12-07

CVE-2022-41783

tp-link re3000_firmware Security Advisory (CVE-2022-41783)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2022-41783 impacting tp-link re3000_firmware. Evaluated with CVSS Base Score of 5.5 (MEDIUM).

Original NVD Description

Source: NIST NVD
tdpServer of TP-Link RE300 V1 improperly processes its input, which may allow an attacker to cause a denial-of-service (DoS) condition of the product's OneMesh function.

📊 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 tp-link / re3000_firmware
Affected Versions *
Weakness Enumeration NVD-CWE-Other

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-2022-41783 impacting tp-link re3000_firmware.

⚡ Nuclei Detection Template (YAML) cve-2022-41783.yaml
id: cve-2022-41783

info:
  name: tp-link re3000_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2022-41783 affecting tp-link re3000_firmware.
    Evaluation: tdpServer of TP-Link RE300 V1 improperly processes its input, which may allow an attacker to cause a denial-of-service (DoS) condition of the product&...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2022-41783
  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-2022-41783
    cwe-id: NVD-CWE-Other
  tags: cve,cve-2022-41783,tp-link,re3000_firmware,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "re3000_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2022-41783.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2022-41783
# Target: tp-link re3000_firmware | 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-2022-41783 (tp-link re3000_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 tp-link re3000_firmware 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-2022-41783.sh
# Recommended Remediation & Patching Commands for CVE-2022-41783
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install re3000_firmware 2>/dev/null || \
sudo dnf upgrade re3000_firmware 2>/dev/null || \
sudo yum update re3000_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i re3000_firmware 2>/dev/null || rpm -qa | grep -i re3000_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

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2022-41783 in tp-link re3000_firmware?

Review vendor-specific security notices and update tp-link re3000_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-2022-41783?

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-2022-41783?

CVE-2022-41783 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-2022-41783
Weakness NVD-CWE-Other
Vendor tp-link
Product re3000_firmware
Published 2022-12-07
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H