CVE-2025-8998
📋 TL;DR
This vulnerability allows authenticated users with operator or administrator privileges to upload specially named files to a temporary directory, causing process crashes that degrade system usability. Only users with elevated service accounts can exploit this flaw, limiting the attack surface to authorized personnel.
💻 Affected Systems
- Axis network video products
⚠️ 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
Repeated exploitation could cause persistent service disruptions, leading to denial of service for legitimate users and potential data loss from unstable processes.
Likely Case
Intermittent process crashes that temporarily reduce system availability, requiring manual intervention to restore normal operations.
If Mitigated
Minimal impact with proper access controls and monitoring, as only authorized users could trigger the issue and it would be quickly detected.
🎯 Exploit Status
Exploitation requires knowledge of specific filename patterns and privileged credentials, but the attack itself is straightforward once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in reference; check vendor advisory
Vendor Advisory: https://www.axis.com/dam/public/f5/62/80/cve-2025-8998pdf-en-US-504374.pdf
Restart Required: Yes
Instructions:
1. Download the latest firmware from Axis support portal. 2. Backup current configuration. 3. Apply firmware update via web interface or management tool. 4. Reboot device. 5. Verify fix by testing file upload functionality.
🔧 Temporary Workarounds
Restrict privileged account access
allLimit operator and administrator accounts to only essential personnel and implement strong authentication controls.
Monitor temporary directory
linuxImplement file system monitoring on temporary upload directories for suspicious filename patterns.
inotifywait -m /tmp/upload_dir -e create | grep -E 'specific_pattern'
🧯 If You Can't Patch
- Implement strict access controls and monitoring for privileged service accounts
- Disable unnecessary file upload functionality or restrict to trusted sources only
🔍 How to Verify
Check if Vulnerable:
Check if system uses affected Axis firmware version and has file upload functionality enabled for privileged accounts.Check Version:
Check web interface System > About or use ONVIF Device Manager to query firmware versionVerify Fix Applied:
After patching, attempt to upload files with various names to temporary directories using privileged accounts and verify no process crashes occur.📡 Detection & Monitoring
Log Indicators:
- Process crash logs
- Unexpected service restarts
- Failed file upload attempts with specific patterns
Network Indicators:
- Unusual file upload traffic from privileged accounts
- Service interruption patterns
SIEM Query:
source="axis_logs" AND (event_type="process_crash" OR message="*upload*failed*")