MEDIUM CVSS 6.7
Published: 2025-09-23

CVE-2025-54081

lizardbyte sunshine Security Advisory (CVE-2025-54081)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2025-54081?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-54081 impacting lizardbyte sunshine. Evaluated with CVSS Base Score of 6.7 (MEDIUM).

Original NVD Description

Source: NIST NVD
Sunshine is a self-hosted game stream host for Moonlight. Prior to version 2025.923.33222, the Windows service SunshineService is installed with an unquoted executable path. If Sunshine is installed in a directory whose name includes a space, the Service Control Manager (SCM) interprets the path incrementally and may execute a malicious binary placed earlier in the search string. This issue has been patched in version 2025.923.33222.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
High (AC:H)
Depends on race conditions or environment
Privileges Required
Low (PR:L)
Standard user access required
User Interaction
Required (UI:R)
User must click or open resource
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 lizardbyte / sunshine
Affected Versions *
Weakness Enumeration CWE-428

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-2025-54081 impacting lizardbyte sunshine.

⚡ Nuclei Detection Template (YAML) cve-2025-54081.yaml
id: cve-2025-54081

info:
  name: lizardbyte sunshine - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-54081 affecting lizardbyte sunshine.
    Evaluation: Sunshine is a self-hosted game stream host for Moonlight. Prior to version 2025.923.33222, the Windows service SunshineService is installed with an un...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-54081
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 6.7
    cve-id: CVE-2025-54081
    cwe-id: CWE-428
  tags: cve,cve-2025-54081,lizardbyte,sunshine,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "sunshine"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-54081.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-54081
# Target: lizardbyte sunshine | CVSS: 6.7 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-54081 (lizardbyte sunshine)...")
    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 lizardbyte sunshine 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-2025-54081.sh
# Recommended Remediation & Patching Commands for CVE-2025-54081
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install sunshine 2>/dev/null || \
sudo dnf upgrade sunshine 2>/dev/null || \
sudo yum update sunshine

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

# 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.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-54081 in lizardbyte sunshine?

Review vendor-specific security notices and update lizardbyte sunshine 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-2025-54081?

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-2025-54081?

CVE-2025-54081 is classified with a CVSS 3.1 Base Score of 6.7 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.7
MEDIUM SEVERITY
CVE ID CVE-2025-54081
Weakness CWE-428
Vendor lizardbyte
Product sunshine
Published 2025-09-23
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H