CVE-2024-29269
📋 TL;DR
This vulnerability allows attackers to execute arbitrary system commands on Telesquare TLR-2005Ksh routers via the Cmd parameter. Attackers can gain full control of affected devices, potentially compromising network security. Organizations using Telesquare TLR-2005Ksh routers versions 1.0.0 and 1.1.4 are affected.
💻 Affected Systems
- Telesquare TLR-2005Ksh
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device takeover leading to network compromise, data exfiltration, lateral movement to other systems, and persistent backdoor installation.
Likely Case
Unauthorized command execution allowing configuration changes, credential theft, and device control.
If Mitigated
Limited impact if devices are behind firewalls with strict network segmentation and command filtering.
🎯 Exploit Status
Public proof-of-concept available on GitHub; exploitation requires sending crafted requests to vulnerable parameter.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Monitor Telesquare website for firmware updates and apply immediately when released.
🔧 Temporary Workarounds
Network Access Control
linuxRestrict network access to router management interface using firewall rules.
iptables -A INPUT -p tcp --dport [router_port] -s [trusted_ips] -j ACCEPT
iptables -A INPUT -p tcp --dport [router_port] -j DROP
Input Validation via WAF
allDeploy web application firewall to block requests containing command injection patterns.
🧯 If You Can't Patch
- Isolate affected routers in separate network segment with strict firewall rules
- Implement network monitoring and intrusion detection for suspicious command execution attempts
🔍 How to Verify
Check if Vulnerable:
Check router firmware version via web interface or SSH. If version is 1.0.0 or 1.1.4, device is vulnerable.Check Version:
Check via router web interface at System > Firmware or via SSH: cat /etc/versionVerify Fix Applied:
Verify firmware version has been updated to a version not listed as vulnerable.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Requests containing 'Cmd=' parameter with suspicious values
Network Indicators:
- HTTP requests to router management interface with command injection patterns
- Unusual outbound connections from router
SIEM Query:
source="router_logs" AND (Cmd=* OR command=* OR system=*) AND (bash OR sh OR cmd.exe OR powershell)