CVE-2025-46428
📋 TL;DR
Dell SmartFabric OS10 Software contains a command injection vulnerability that allows low-privileged remote attackers to execute arbitrary code on affected switches. This affects all versions prior to 10.6.1.0. Organizations using Dell networking equipment with OS10 are vulnerable to potential network compromise.
💻 Affected Systems
- Dell SmartFabric OS10 Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete network compromise with attacker gaining full control of switches, enabling lateral movement, data exfiltration, and disruption of critical network services.
Likely Case
Attacker gains control of network switches to intercept traffic, modify configurations, and potentially pivot to other systems on the network.
If Mitigated
Limited impact due to network segmentation and proper access controls preventing low-privileged remote access to management interfaces.
🎯 Exploit Status
Requires low-privileged credentials but command injection vulnerabilities are typically straightforward to exploit once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 10.6.1.0 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000391062/dsa-2025-407-security-update-for-dell-networking-os10-vulnerabilities
Restart Required: Yes
Instructions:
1. Download OS10 version 10.6.1.0 or later from Dell support portal. 2. Backup current configuration. 3. Apply the update following Dell's upgrade procedures. 4. Reboot the switch. 5. Verify the update was successful.
🔧 Temporary Workarounds
Restrict Management Access
allLimit access to OS10 management interfaces to trusted networks and IP addresses only
configure terminal
management access-list standard ACL_NAME
permit ip TRUSTED_NETWORK any
deny ip any any
management access-group ACL_NAME in
Implement Strong Authentication
allEnforce multi-factor authentication and strong password policies for all management accounts
configure terminal
aaa authentication login default group tacacs+ local
aaa authorization exec default group tacacs+ local
🧯 If You Can't Patch
- Isolate affected switches in dedicated VLANs with strict access controls
- Implement network monitoring and anomaly detection for management interface traffic
🔍 How to Verify
Check if Vulnerable:
Check OS10 version with 'show version' command. If version is below 10.6.1.0, system is vulnerable.Check Version:
show version | include OS10Verify Fix Applied:
Run 'show version' command and verify version is 10.6.1.0 or higher. Test management interface functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in system logs
- Multiple failed authentication attempts followed by successful login
- Configuration changes from unexpected sources
Network Indicators:
- Unusual outbound connections from management interfaces
- Traffic patterns inconsistent with normal administrative activities
- Multiple connection attempts to management ports
SIEM Query:
source="dell_os10" AND (event_type="command_execution" AND command="*;*" OR command="*|*" OR command="*`*")