CVE-2025-46427
📋 TL;DR
Dell SmartFabric OS10 Software versions before 10.6.1.0 contain a command injection vulnerability that allows low-privileged remote attackers to execute arbitrary commands on affected systems. This affects organizations using Dell networking equipment with OS10 software for fabric management. Attackers could potentially gain full control of vulnerable devices.
💻 Affected Systems
- Dell SmartFabric OS10 Software
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise leading to network infrastructure takeover, data exfiltration, lateral movement to other systems, and persistent backdoor installation.
Likely Case
Unauthorized command execution leading to configuration changes, service disruption, credential harvesting, and network reconnaissance.
If Mitigated
Limited impact due to network segmentation, strict access controls, and monitoring preventing successful exploitation.
🎯 Exploit Status
Requires low-privileged remote access. Command injection vulnerabilities are typically straightforward to exploit once identified.
🛠️ 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 update following Dell's upgrade procedures. 4. Reboot system. 5. Verify successful update.
🔧 Temporary Workarounds
Restrict Remote Access
allLimit network access to OS10 management interfaces to trusted IP addresses only
configure terminal
access-list standard RESTRICT_MGMT
permit ip <trusted_networks>
deny any
interface management 1/1
ip access-group RESTRICT_MGMT in
Implement Network Segmentation
allIsolate OS10 management interfaces from general network traffic
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach OS10 management interfaces
- Enable comprehensive logging and monitoring for suspicious command execution attempts
🔍 How to Verify
Check if Vulnerable:
Check OS10 software version using 'show version' command. If version is below 10.6.1.0, system is vulnerable.Check Version:
show versionVerify Fix Applied:
After patching, run 'show version' to confirm version is 10.6.1.0 or higher. Test management interface functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns
- Multiple failed authentication attempts followed by successful login
- Configuration changes from unexpected sources
Network Indicators:
- Unexpected outbound connections from OS10 devices
- Traffic to known malicious IPs from management interfaces
SIEM Query:
source="dell_os10" AND (event_type="command_execution" OR event_type="configuration_change") AND user!="authorized_user"