CVE-2025-22912
📋 TL;DR
CVE-2025-22912 is a command injection vulnerability in RE11S v1.11 that allows attackers to execute arbitrary commands on affected devices via the /goform/formAccept component. This affects all users running RE11S v1.11, potentially giving attackers full control over vulnerable systems.
💻 Affected Systems
- RE11S
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to install malware, steal data, pivot to other systems, or create persistent backdoors.
Likely Case
Remote code execution leading to device takeover, data theft, and potential use as a botnet node.
If Mitigated
Limited impact if proper network segmentation and access controls prevent exploitation attempts.
🎯 Exploit Status
Public exploit code is available on GitHub, making exploitation trivial for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.edimax.com/edimax/global/
Restart Required: Yes
Instructions:
1. Check vendor website for firmware updates. 2. Download latest firmware. 3. Upload via device web interface. 4. Apply update and restart device.
🔧 Temporary Workarounds
Network Access Restriction
linuxBlock access to the vulnerable endpoint using firewall rules
iptables -A INPUT -p tcp --dport 80 -m string --string "/goform/formAccept" --algo bm -j DROP
Device Isolation
allPlace affected devices in isolated network segments
🧯 If You Can't Patch
- Immediately disconnect vulnerable devices from internet access
- Implement strict network segmentation and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check device firmware version in web interface or via SSH: cat /etc/versionCheck Version:
cat /etc/version || grep -i version /proc/cpuinfoVerify Fix Applied:
Verify firmware version is updated beyond v1.11 and test /goform/formAccept endpoint📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /goform/formAccept
- Suspicious command execution in system logs
- Unexpected process creation
Network Indicators:
- HTTP requests to /goform/formAccept with shell metacharacters
- Outbound connections from device to unknown IPs
SIEM Query:
source="device_logs" AND (uri="/goform/formAccept" OR cmd="*;*" OR cmd="*|*")