CVE-2025-22469
📋 TL;DR
This CVE describes an OS command injection vulnerability in Sato CL4/6NX Plus and CL4/6NX-J Plus label printers. Attackers with non-administrative access can execute arbitrary operating system commands on affected devices. Organizations using these printers with firmware versions prior to 1.15.5-r1 are at risk.
💻 Affected Systems
- Sato CL4/6NX Plus
- Sato CL4/6NX-J Plus (Japan model)
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise allowing attackers to execute arbitrary commands, potentially leading to data theft, lateral movement within the network, or installation of persistent malware.
Likely Case
Printer compromise leading to disruption of printing services, data exfiltration from print jobs, or use as a foothold for network attacks.
If Mitigated
Limited impact if network segmentation and access controls prevent unauthorized users from reaching the printer's management interface.
🎯 Exploit Status
Exploitation requires non-administrative user access. The vulnerability is in the OS command injection category (CWE-78), suggesting straightforward exploitation once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.15.5-r1
Vendor Advisory: https://www.sato-global.com/support_notices/240830/
Restart Required: Yes
Instructions:
1. Download firmware version 1.15.5-r1 from Sato's support portal. 2. Upload the firmware to the printer via the web interface. 3. Apply the update and restart the printer. 4. Verify the firmware version shows 1.15.5-r1 or later.
🔧 Temporary Workarounds
Network Segmentation
allIsolate printers on separate VLANs with strict firewall rules to limit access to authorized users only.
Access Control Hardening
allRestrict non-administrative user access to printer management interfaces and implement strong authentication.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate affected printers from critical systems
- Disable or restrict non-administrative user accounts on printer interfaces
🔍 How to Verify
Check if Vulnerable:
Access the printer's web interface and check the firmware version under System Information or similar menu.Check Version:
Check via web interface at http://[printer-ip]/ or use SNMP query if configured.Verify Fix Applied:
Confirm the firmware version shows 1.15.5-r1 or later in the printer's web interface.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution attempts in printer logs
- Multiple failed authentication attempts followed by successful access
- Unexpected firmware or configuration changes
Network Indicators:
- Unusual network traffic from printer to internal systems
- Outbound connections from printer to external IPs
- Unexpected protocols or ports being used by printer
SIEM Query:
source="printer_logs" AND (event="command_execution" OR event="firmware_update")