CVE-2025-41649

7.5 HIGH

📋 TL;DR

An unauthenticated remote attacker can exploit insufficient input validation to write data beyond buffer bounds, potentially causing denial-of-service for affected devices. This affects systems running vulnerable software versions that process untrusted input without proper bounds checking.

💻 Affected Systems

Products:
  • Specific product information not provided in CVE description
Versions: Version range not specified in provided information
Operating Systems: Not specified
Default Config Vulnerable: ⚠️ Yes
Notes: Based on CWE-787 (Out-of-bounds Write), this likely affects software that processes network input without proper validation. Check vendor advisory for specific product details.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system crash or service disruption leading to extended downtime, potentially allowing further exploitation if combined with other vulnerabilities.

🟠

Likely Case

Service disruption or device reboot causing temporary denial-of-service, requiring manual intervention to restore functionality.

🟢

If Mitigated

Minimal impact with proper network segmentation and input validation controls in place.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Unauthenticated remote exploitation with low complexity based on CVSS score of 7.5 and CWE-787 classification.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Not available

Vendor Advisory: https://certvde.com/en/advisories/VDE-2025-044/

Restart Required: No

Instructions:

1. Monitor vendor advisory for patch availability
2. Apply vendor-provided patches when released
3. Test patches in non-production environment first

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to vulnerable systems using firewalls or network ACLs

Input Validation

all

Implement additional input validation at network perimeter or application layer

🧯 If You Can't Patch

  • Implement strict network access controls to limit exposure
  • Monitor systems for abnormal behavior or crash events

🔍 How to Verify

Check if Vulnerable:

Check system version against vendor advisory and monitor for crash logs or abnormal behavior

Check Version:

System-specific command - check vendor documentation

Verify Fix Applied:

Verify patch installation and test with controlled input validation

📡 Detection & Monitoring

Log Indicators:

  • Application crashes
  • Memory access violation errors
  • Unexpected service restarts

Network Indicators:

  • Unusual traffic patterns to vulnerable services
  • Connection attempts with malformed data

SIEM Query:

source="application_logs" AND ("crash" OR "segmentation fault" OR "access violation")

🔗 References

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