LOW CVSS 3.7
Published: 2025-08-05

CVE-2025-8537

axiosys bento4 Security Advisory (CVE-2025-8537)
↗ Official NIST NVD Record
Seeking technical exploit breakdowns or verified PoC code for CVE-2025-8537?
🔬 Search Writeups & Exploit Archive →

CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2025-8537 impacting axiosys bento4. Evaluated with CVSS Base Score of 3.7 (LOW).

Original NVD Description

Source: NIST NVD
A vulnerability, which was classified as problematic, was found in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_DataBuffer::SetDataSize of the file Mp4Decrypt.cpp of the component mp4decrypt. The manipulation leads to allocation of resources. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
High (AC:H)
Depends on race conditions or environment
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
None (C:N)
No data confidentiality impact
Integrity
None (I:N)
No system modification impact
Availability
Low (A:L)
Partial service performance degradation

🎯 Affected Versions Matrix

Affected Product axiosys / bento4
Affected Versions *
Weakness Enumeration CWE-400

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-2025-8537 impacting axiosys bento4.

⚡ Nuclei Detection Template (YAML) cve-2025-8537.yaml
id: cve-2025-8537

info:
  name: axiosys bento4 - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: low
  description: |
    Automated signature & scanner for CVE-2025-8537 affecting axiosys bento4.
    Evaluation: A vulnerability, which was classified as problematic, was found in Axiomatic Bento4 up to 1.6.0-641. Affected is the function AP4_DataBuffer::SetDataS...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2025-8537
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
    cvss-score: 3.7
    cve-id: CVE-2025-8537
    cwe-id: CWE-400
  tags: cve,cve-2025-8537,axiosys,bento4,low

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "bento4"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2025-8537.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2025-8537
# Target: axiosys bento4 | CVSS: 3.7 (LOW)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2025-8537 (axiosys bento4)...")
    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 axiosys bento4 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-2025-8537.sh
# Recommended Remediation & Patching Commands for CVE-2025-8537
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install bento4 2>/dev/null || \
sudo dnf upgrade bento4 2>/dev/null || \
sudo yum update bento4

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i bento4 2>/dev/null || rpm -qa | grep -i bento4

# 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-2025-8537 in axiosys bento4?

Review vendor-specific security notices and update axiosys bento4 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-2025-8537?

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-2025-8537?

CVE-2025-8537 is classified with a CVSS 3.1 Base Score of 3.7 (LOW). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
3.7
LOW SEVERITY
CVE ID CVE-2025-8537
Weakness CWE-400
Vendor axiosys
Product bento4
Published 2025-08-05
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L