CVE-2025-31644 Overview
When running in Appliance mode, a command injection vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command which may allow an authenticated attacker with administrator role privileges to execute arbitrary system commands. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Critical Impact
Exploiting this vulnerability can allow attackers to execute arbitrary system commands, potentially leading to full system compromise.
Affected Products
- F5 Big-IP Access Policy Manager
- F5 Big-IP Advanced Firewall Manager
- F5 Big-IP Advanced Web Application Firewall
Discovery Timeline
- Not Available - Vulnerability discovered by Not Available
- Not Available - Responsible disclosure to F5
- Not Available - CVE CVE-2025-31644 assigned
- Not Available - F5 releases security patch
- 2025-05-07 - CVE CVE-2025-31644 published to NVD
- 2025-10-21 - Last updated in NVD database
Technical Details for CVE-2025-31644
Vulnerability Analysis
The vulnerability is identified as a command injection issue within the iControl REST and BIG-IP TMOS Shell (tmsh). It allows authenticated users with administrator privileges to execute unauthorized commands on the affected system.
Root Cause
The vulnerability arises from improper input validation in a particular tmsh command when running in Appliance mode.
Attack Vector
Network
# Example exploitation code (sanitized)
echo "Running malicious command..."
unauthorizedCommand()
Detection Methods for CVE-2025-31644
Indicators of Compromise
- Unexpected command logs
- Unusual system behavior
- Modification of command histories
Detection Strategies
Monitor for suspicious activity from authenticated users, especially those with administrative privileges. Utilize anomaly detection to flag unexpected command execution.
Monitoring Recommendations
Ensure continuous monitoring of command execution logs and implement behavioral analysis to detect deviations from normal patterns.
How to Mitigate CVE-2025-31644
Immediate Actions Required
- Limit access to administrative accounts
- Implement strict input validation
- Employ network segmentation
Patch Information
Refer to F5's security advisory for patch deployment information: F5 Advisory
Workarounds
As a mitigation strategy, restrict access to the vulnerable command executions by applying role-based access controls and enforcing strict input validation.
# Configuration example
echo "Restricting command execution..."
setConfig(adminAccess: false)
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
