CVE-2025-9382
📋 TL;DR
This vulnerability in FNKvision Y215 CCTV cameras allows attackers to exploit a backdoor in the Telnet service via manipulation of the s1_rf_test_config file. Attackers could gain unauthorized access to the device, potentially compromising video feeds and device control. Only users of the specific FNKvision Y215 model with vulnerable configurations are affected.
💻 Affected Systems
- FNKvision Y215 CCTV Camera
⚠️ 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
Complete device compromise allowing unauthorized access to video feeds, device reconfiguration, and potential lateral movement within the network.
Likely Case
Unauthorized access to the device leading to video feed interception and potential device manipulation.
If Mitigated
Limited impact if devices are properly segmented and access controls are implemented.
🎯 Exploit Status
Exploit details are publicly available but require specific conditions and manipulation of the s1_rf_test_config file.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None - vendor did not respond to disclosure
Restart Required: No
Instructions:
No official patch available. Consider workarounds or device replacement.
🔧 Temporary Workarounds
Disable Telnet Service
allDisable the Telnet service on affected cameras to prevent exploitation
telnet service disable (camera-specific command)
systemctl disable telnet (if applicable)
Network Segmentation
allIsolate CCTV cameras on separate VLAN with strict access controls
🧯 If You Can't Patch
- Physically disconnect cameras from networks when not needed
- Implement strict firewall rules blocking all Telnet traffic to cameras
🔍 How to Verify
Check if Vulnerable:
Check if Telnet service is running on port 23 and if s1_rf_test_config file exists in vulnerable stateCheck Version:
Unknown - vendor-specific firmware check requiredVerify Fix Applied:
Verify Telnet service is disabled and cannot be accessed on port 23📡 Detection & Monitoring
Log Indicators:
- Telnet authentication attempts
- Unauthorized access to s1_rf_test_config file
- Unexpected configuration changes
Network Indicators:
- Telnet traffic to camera IPs on port 23
- Unusual outbound connections from cameras
SIEM Query:
source_ip="camera_ip" AND dest_port=23 AND protocol="TCP"