HIGH CVSS 7.5
Published: 2026-05-27

CVE-2025-14713

synology c2_identity_edge_server Security Advisory (CVE-2025-14713)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-14713 impacting synology c2_identity_edge_server. Evaluated with CVSS Base Score of 7.5 (HIGH).

Original NVD Description

Source: NIST NVD
An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to obtain user credentials from the edge server.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
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
None (I:N)
No system modification impact
Availability
None (A:N)
No system availability impact

🎯 Affected Versions Matrix

Affected Product synology / c2_identity_edge_server
Affected Versions *
Weakness Enumeration CWE-749

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-2025-14713 impacting synology c2_identity_edge_server.

⚡ Nuclei Detection Template (YAML) cve-2025-14713.yaml
id: cve-2025-14713

info:
  name: synology c2_identity_edge_server - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2025-14713 affecting synology c2_identity_edge_server.
    Evaluation: An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-14713
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
    cve-id: CVE-2025-14713
    cwe-id: CWE-749
  tags: cve,cve-2025-14713,synology,c2_identity_edge_server,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "c2_identity_edge_server"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-14713.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-14713
# Target: synology c2_identity_edge_server | CVSS: 7.5 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-14713 (synology c2_identity_edge_server)...")
    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 synology c2_identity_edge_server 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-2025-14713.sh
# Recommended Remediation & Patching Commands for CVE-2025-14713
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install c2_identity_edge_server 2>/dev/null || \
sudo dnf upgrade c2_identity_edge_server 2>/dev/null || \
sudo yum update c2_identity_edge_server

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i c2_identity_edge_server 2>/dev/null || rpm -qa | grep -i c2_identity_edge_server

# 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
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Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2025-14713 in synology c2_identity_edge_server?

Review vendor-specific security notices and update synology c2_identity_edge_server 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-2025-14713?

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-2025-14713?

CVE-2025-14713 is classified with a CVSS 3.1 Base Score of 7.5 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.5
HIGH SEVERITY
CVE ID CVE-2025-14713
Weakness CWE-749
Vendor synology
Product c2_identity_edge_server
Published 2026-05-27
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N