MEDIUM CVSS 6.3
Published: 2025-12-30

CVE-2025-15357

dlink di-7400g\+_firmware Security Advisory (CVE-2025-15357)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-15357 impacting dlink di-7400g\+_firmware. Evaluated with CVSS Base Score of 6.3 (MEDIUM).

Original NVD Description

Source: NIST NVD
A vulnerability was found in D-Link DI-7400G+ 19.12.25A1. This affects an unknown function of the file /msp_info.htm?flag=cmd. The manipulation of the argument cmd results in command injection. The attack can be launched remotely. The exploit has been made public and could be used.

📊 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
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
Low (C:L)
Partial information leakage
Integrity
Low (I:L)
Partial data modification possible
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product dlink / di-7400g\+_firmware
Affected Versions 19.12.25a1
Weakness Enumeration CWE-74

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-2025-15357 impacting dlink di-7400g\+_firmware.

⚡ Nuclei Detection Template (YAML) cve-2025-15357.yaml
id: cve-2025-15357

info:
  name: dlink di-7400g\+_firmware - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2025-15357 affecting dlink di-7400g\+_firmware.
    Evaluation: A vulnerability was found in D-Link DI-7400G+ 19.12.25A1. This affects an unknown function of the file /msp_info.htm?flag=cmd. The manipulation of the...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-15357
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    cvss-score: 6.3
    cve-id: CVE-2025-15357
    cwe-id: CWE-74
  tags: cve,cve-2025-15357,dlink,di-7400g\+_firmware,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "di-7400g\+_firmware"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-15357.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-15357
# Target: dlink di-7400g\+_firmware | CVSS: 6.3 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-15357 (dlink di-7400g\+_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 dlink di-7400g\+_firmware scope (19.12.25a1).")
        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-2025-15357.sh
# Recommended Remediation & Patching Commands for CVE-2025-15357
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install di-7400g\+_firmware 2>/dev/null || \
sudo dnf upgrade di-7400g\+_firmware 2>/dev/null || \
sudo yum update di-7400g\+_firmware

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i di-7400g\+_firmware 2>/dev/null || rpm -qa | grep -i di-7400g\+_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-2025-15357 in dlink di-7400g\+_firmware?

Review vendor-specific security notices and update dlink di-7400g\+_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-2025-15357?

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-2025-15357?

CVE-2025-15357 is classified with a CVSS 3.1 Base Score of 6.3 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.3
MEDIUM SEVERITY
CVE ID CVE-2025-15357
Weakness CWE-74
Vendor dlink
Product di-7400g\+_firmware
Published 2025-12-30
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L