CVE-2024-45841
📋 TL;DR
This vulnerability allows attackers with guest account access to read sensitive credential information from a specific file in UD-LT1 and UD-LT1/EX firmware. Affected systems include UD-LT1 firmware versions 2.1.9 and earlier, and UD-LT1/EX firmware versions 2.1.9 and earlier. The issue stems from incorrect permission assignments on critical files.
💻 Affected Systems
- UD-LT1
- UD-LT1/EX
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers obtain administrative credentials, leading to full system compromise, data theft, or device takeover.
Likely Case
Attackers gain access to sensitive credentials, potentially escalating privileges or accessing restricted data.
If Mitigated
With proper access controls and monitoring, impact is limited to credential exposure requiring additional steps for exploitation.
🎯 Exploit Status
Exploitation requires guest account credentials and knowledge of the specific vulnerable file path.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.1.9
Vendor Advisory: https://www.iodata.jp/support/information/2024/11_ud-lt1/
Restart Required: Yes
Instructions:
1. Download firmware update from I-O DATA support site. 2. Follow vendor's firmware update procedure. 3. Verify firmware version after update.
🔧 Temporary Workarounds
Disable guest accounts
allRemove or disable guest account access to prevent exploitation.
Restrict file permissions
allManually adjust permissions on sensitive credential files to prevent guest access.
🧯 If You Can't Patch
- Isolate affected devices from untrusted networks.
- Implement strict access controls and monitor for suspicious guest account activity.
🔍 How to Verify
Check if Vulnerable:
Check firmware version in device administration interface; if version is 2.1.9 or earlier, device is vulnerable.Check Version:
Check via device web interface or console; specific command varies by deployment.Verify Fix Applied:
Verify firmware version is updated to a version after 2.1.9.📡 Detection & Monitoring
Log Indicators:
- Unusual guest account access patterns
- Access attempts to credential-related files
Network Indicators:
- Unexpected guest account authentication from suspicious sources
SIEM Query:
guest_account AND (file_access OR credential_access)