CVE-2025-26264
📋 TL;DR
GeoVision GV-ASWeb versions 6.1.2.0 and below contain an authenticated remote code execution vulnerability in the Notification Settings feature. An attacker with 'System Settings' privileges can execute arbitrary commands on the server, potentially leading to complete system compromise. Organizations using GeoVision GV-ASWeb for access control management are affected.
💻 Affected Systems
- GeoVision GV-ASWeb
⚠️ 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
Full system compromise allowing attacker to install persistent backdoors, exfiltrate sensitive data, pivot to other systems, or deploy ransomware across the network.
Likely Case
Attacker gains administrative control of the ASWeb server, potentially compromising the entire access control system and connected security infrastructure.
If Mitigated
Limited impact if proper network segmentation, least privilege access, and monitoring are in place, though the system would still be vulnerable to authenticated attackers.
🎯 Exploit Status
Exploit requires authenticated access with specific privileges. Public proof-of-concept code is available on GitHub.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 6.2.0
Vendor Advisory: https://www.geovision.com.tw/download/product/GV-ASManager%20%28Access%20Control%29
Restart Required: No
Instructions:
1. Download GV-ASWeb version 6.2.0 from GeoVision website. 2. Backup current configuration. 3. Install the update following vendor instructions. 4. Verify successful installation and functionality.
🔧 Temporary Workarounds
Restrict System Settings Privileges
allLimit 'System Settings' access to only essential administrators to reduce attack surface.
Network Segmentation
allIsolate GV-ASWeb server from other critical systems and restrict access to management interfaces.
🧯 If You Can't Patch
- Implement strict access controls and monitor all users with System Settings privileges
- Deploy application-level firewall rules to block suspicious command execution patterns
🔍 How to Verify
Check if Vulnerable:
Check GV-ASWeb version in application interface or installation directory. Versions 6.1.2.0 or below are vulnerable.Check Version:
Check Help > About in GV-ASWeb interface or examine installed program version in Windows Control PanelVerify Fix Applied:
Verify version shows 6.2.0 or higher after update. Test Notification Settings functionality to ensure it works without allowing command injection.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Multiple failed authentication attempts followed by successful login
- Changes to Notification Settings by non-administrative users
Network Indicators:
- Unusual outbound connections from GV-ASWeb server
- Command and control traffic patterns
SIEM Query:
source="GV-ASWeb" AND (event_type="command_execution" OR user_privilege_change="System Settings")