CVE-2025-14756
📋 TL;DR
This command injection vulnerability in TP-Link Archer MR600 v5 firmware allows authenticated attackers to execute system commands through the admin interface. Attackers can exploit this via crafted input in the browser developer console, potentially leading to service disruption or full device compromise. Only users of the affected TP-Link Archer MR600 v5 router are impacted.
💻 Affected Systems
- TP-Link Archer MR600
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full device compromise allowing attacker to reconfigure router, intercept traffic, pivot to internal network, or install persistent malware.
Likely Case
Service disruption through command execution that crashes services or reboots router, potentially leading to temporary network outage.
If Mitigated
Limited impact if strong authentication controls prevent unauthorized admin access and network segmentation isolates the router.
🎯 Exploit Status
Exploitation requires authenticated access and knowledge of browser developer console manipulation. Character length restrictions add complexity.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check TP-Link support site for latest firmware
Vendor Advisory: https://www.tp-link.com/en/support/download/archer-mr600/#Firmware
Restart Required: Yes
Instructions:
1. Visit TP-Link support site for Archer MR600. 2. Download latest firmware version. 3. Log into router admin interface. 4. Navigate to System Tools > Firmware Upgrade. 5. Upload and install new firmware. 6. Router will reboot automatically.
🔧 Temporary Workarounds
Disable remote admin access
allPrevent external access to admin interface by disabling remote management
Change default admin credentials
allUse strong, unique passwords for admin accounts
🧯 If You Can't Patch
- Implement network segmentation to isolate router from critical systems
- Enable logging and monitoring for unusual admin interface activity
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router admin interface under System Tools > Firmware UpgradeCheck Version:
Not applicable - check via web interfaceVerify Fix Applied:
Verify firmware version matches latest available from TP-Link support site📡 Detection & Monitoring
Log Indicators:
- Unusual admin login attempts
- Unexpected system command execution in logs
- Multiple failed authentication attempts followed by successful login
Network Indicators:
- Unusual outbound connections from router
- Traffic patterns suggesting router compromise
SIEM Query:
Search for admin interface access logs with suspicious parameters or command-like strings