HIGH CVSS 7.8
Published: 2021-01-26

CVE-2020-25173

reolink rln8-410_firmware Security Advisory (CVE-2020-25173)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2020-25173 impacting reolink rln8-410_firmware. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
An attacker with local network access can obtain a fixed cryptography key which may allow for further compromise of Reolink P2P cameras outside of local network access

📊 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 reolink / rln8-410_firmware
Affected Versions -
Weakness Enumeration CWE-321

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-2020-25173 impacting reolink rln8-410_firmware.

⚡ Nuclei Detection Template (YAML) cve-2020-25173.yaml
id: cve-2020-25173

info:
  name: reolink rln8-410_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2020-25173 affecting reolink rln8-410_firmware.
    Evaluation: An attacker with local network access can obtain a fixed cryptography key which may allow for further compromise of Reolink P2P cameras outside of loc...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2020-25173
  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-2020-25173
    cwe-id: CWE-321
  tags: cve,cve-2020-25173,reolink,rln8-410_firmware,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "rln8-410_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2020-25173.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2020-25173
# Target: reolink rln8-410_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-2020-25173 (reolink rln8-410_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 reolink rln8-410_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-2020-25173.sh
# Recommended Remediation & Patching Commands for CVE-2020-25173
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install rln8-410_firmware 2>/dev/null || \
sudo dnf upgrade rln8-410_firmware 2>/dev/null || \
sudo yum update rln8-410_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i rln8-410_firmware 2>/dev/null || rpm -qa | grep -i rln8-410_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

Distributions
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Technical Analysis
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❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2020-25173 in reolink rln8-410_firmware?

Review vendor-specific security notices and update reolink rln8-410_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-2020-25173?

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-2020-25173?

CVE-2020-25173 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-2020-25173
Weakness CWE-321
Vendor reolink
Product rln8-410_firmware
Published 2021-01-26
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H