CVE-2025-6260
📋 TL;DR
This vulnerability allows unauthenticated attackers to reset user credentials on affected thermostats by manipulating elements in the embedded web interface. Attackers can exploit this from the local network or internet if port forwarding is configured. All users of affected thermostat versions are at risk.
💻 Affected Systems
- Specific thermostat models not named in CVE description
⚠️ 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 gain full control of thermostat, potentially manipulating temperature settings, accessing network credentials, or using the device as an entry point to the broader network.
Likely Case
Unauthorized users reset thermostat credentials, gaining control of temperature settings and potentially disrupting HVAC operations.
If Mitigated
With proper network segmentation and access controls, impact is limited to thermostat functionality only.
🎯 Exploit Status
Exploitation requires manipulating specific web interface elements but does not require authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-205-02
Restart Required: No
Instructions:
1. Check vendor website for firmware updates. 2. Download latest firmware. 3. Apply update following vendor instructions. 4. Verify update was successful.
🔧 Temporary Workarounds
Network Segmentation
allIsolate thermostat on separate VLAN or network segment
Disable Port Forwarding
allRemove any port forwarding rules exposing thermostat to internet
🧯 If You Can't Patch
- Implement strict network access controls to limit thermostat access to authorized users only
- Monitor network traffic to thermostat for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check thermostat web interface for ability to manipulate elements without authenticationCheck Version:
Check thermostat web interface settings page for firmware versionVerify Fix Applied:
Verify firmware version matches patched version and test credential reset functionality📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful credential reset
- Unusual web interface access patterns
Network Indicators:
- HTTP requests to thermostat web interface from unexpected IP addresses
- POST requests to credential reset endpoints
SIEM Query:
source_ip NOT IN (authorized_ips) AND destination_port=80 AND uri CONTAINS 'reset' OR 'credential'