CVE-2025-15548
📋 TL;DR
The TP-Link VX800v v1.0 web interface transmits sensitive information over unencrypted HTTP connections due to missing application layer encryption. This allows attackers on the same network to intercept and read this traffic, compromising confidentiality. Only users of this specific device model are affected.
💻 Affected Systems
- TP-Link VX800v
⚠️ 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 intercept administrative credentials, session tokens, or configuration data, leading to full device compromise and potential network infiltration.
Likely Case
Attackers capture sensitive information like login credentials or device settings, enabling unauthorized access to the web interface.
If Mitigated
With proper network segmentation and monitoring, impact is limited to potential information disclosure without lateral movement.
🎯 Exploit Status
Exploitation requires network sniffing capabilities but no authentication or special tools
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check TP-Link firmware updates for VX800v
Vendor Advisory: https://www.tp-link.com/us/support/faq/4930/
Restart Required: Yes
Instructions:
1. Visit TP-Link support page for VX800v. 2. Download latest firmware. 3. Log into device web interface. 4. Navigate to System Tools > Firmware Upgrade. 5. Upload and install new firmware. 6. Reboot device.
🔧 Temporary Workarounds
Disable HTTP web interface
allForce HTTPS-only access to the web interface
Network segmentation
allIsolate VX800v device on separate VLAN to limit attack surface
🧯 If You Can't Patch
- Segment device on isolated network with strict access controls
- Monitor network traffic for sniffing attempts and implement IDS/IPS rules
🔍 How to Verify
Check if Vulnerable:
Check if web interface transmits sensitive data over HTTP by inspecting network traffic with tools like Wireshark
Check Version:
Log into web interface and check firmware version under System Tools > Firmware Upgrade
Verify Fix Applied:
Verify all web interface communication uses HTTPS and no sensitive data is transmitted over HTTP
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts
- Unusual access patterns to web interface
Network Indicators:
- ARP spoofing attempts
- Unusual traffic patterns to device IP
- HTTP traffic containing sensitive keywords
SIEM Query:
source_ip=DEVICE_IP AND (protocol=HTTP AND (content="password" OR content="login" OR content="session"))