CVE-2025-44961

9.9 CRITICAL

📋 TL;DR

This vulnerability allows authenticated users to execute arbitrary operating system commands by injecting malicious input into an IP address field in RUCKUS SmartZone (SZ) network management software. Attackers with valid credentials can achieve remote code execution with high privileges. Organizations using affected versions of RUCKUS SmartZone are at risk.

💻 Affected Systems

Products:
  • RUCKUS SmartZone (SZ)
Versions: All versions before 6.1.2p3 Refresh Build
Operating Systems: RUCKUS SmartZone OS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated access to the SmartZone management interface. The vulnerability exists in how IP address input is processed.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise allowing attackers to execute arbitrary commands as root/administrator, install persistent backdoors, pivot to other network segments, and exfiltrate sensitive data.

🟠

Likely Case

Authenticated attackers gaining shell access to the SmartZone appliance, potentially compromising the entire wireless network infrastructure and connected devices.

🟢

If Mitigated

Limited impact if network segmentation isolates SmartZone management interfaces and strong authentication controls prevent unauthorized access.

🌐 Internet-Facing: HIGH if SmartZone management interface is exposed to the internet, as authenticated attackers could exploit remotely.
🏢 Internal Only: HIGH as authenticated internal users or compromised credentials could lead to full system compromise.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once credentials are obtained. The vulnerability is in a common input field (IP address).

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 6.1.2p3 Refresh Build

Vendor Advisory: https://webresources.commscope.com/download/assets/FAQ+Security+Advisory%3A+ID+20250710/225f44ac3bd311f095821adcaa92e24e

Restart Required: Yes

Instructions:

1. Download the 6.1.2p3 Refresh Build from RUCKUS support portal. 2. Backup current configuration. 3. Apply the update through the SmartZone web interface or CLI. 4. Reboot the appliance as required. 5. Verify the update was successful.

🔧 Temporary Workarounds

Restrict Management Access

linux

Limit access to SmartZone management interface to trusted IP addresses only using firewall rules.

iptables -A INPUT -p tcp --dport 443 -s TRUSTED_IP -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP

Enforce Strong Authentication

all

Implement multi-factor authentication and strong password policies to reduce credential compromise risk.

🧯 If You Can't Patch

  • Isolate SmartZone management interface on a dedicated VLAN with strict access controls
  • Implement network segmentation to limit lateral movement if compromised

🔍 How to Verify

Check if Vulnerable:

Check SmartZone version in web interface (Admin > System > About) or CLI using 'show version' command.

Check Version:

show version

Verify Fix Applied:

Verify version is 6.1.2p3 Refresh Build or later. Test IP address field input validation.

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution in system logs
  • Multiple failed authentication attempts followed by successful login
  • Suspicious IP address patterns in input fields

Network Indicators:

  • Unexpected outbound connections from SmartZone appliance
  • Unusual traffic patterns to/from management interface

SIEM Query:

source="smartzone" AND (event="command_execution" OR event="os_injection" OR (event="authentication" AND result="success" AND src_ip="suspicious_ip"))

🔗 References

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