CVE-2025-12916

6.3 MEDIUM

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary commands on Sangfor Operation and Maintenance Security Management System 3.0 through command injection in the frontend login component. Attackers can exploit this by manipulating the loginUrl parameter in the /fort/portal_login endpoint. Organizations using affected versions of this security management system are at risk.

💻 Affected Systems

Products:
  • Sangfor Operation and Maintenance Security Management System
Versions: 3.0 (specifically versions before 3.0.11 and 3.0.12)
Operating Systems: Not specified, likely various
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the frontend component with the vulnerable /fort/portal_login endpoint. No specific OS requirements mentioned in available information.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise allowing attackers to execute arbitrary commands with system privileges, potentially leading to data theft, lateral movement, or complete system takeover.

🟠

Likely Case

Remote code execution allowing attackers to install malware, create backdoors, or disrupt security management operations.

🟢

If Mitigated

Limited impact if proper network segmentation and access controls prevent external exploitation attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Exploit has been publicly disclosed and may be utilized according to the CVE description. The vulnerability appears to be remotely exploitable without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.0.11 and 3.0.12

Vendor Advisory: Not provided in available references

Restart Required: Yes

Instructions:

1. Backup current configuration and data. 2. Download the patched version (3.0.11 or 3.0.12) from Sangfor official sources. 3. Follow vendor upgrade procedures. 4. Restart the system. 5. Verify the patch is applied successfully.

🔧 Temporary Workarounds

Network Access Restriction

linux

Restrict access to the vulnerable /fort/portal_login endpoint using network controls

iptables -A INPUT -p tcp --dport [PORT] -s [TRUSTED_IPS] -j ACCEPT
iptables -A INPUT -p tcp --dport [PORT] -j DROP

Web Application Firewall Rules

all

Implement WAF rules to block malicious loginUrl parameter manipulation

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate the vulnerable system from critical assets
  • Deploy intrusion detection/prevention systems to monitor for exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check system version via admin interface or configuration files. If version is 3.0 and below 3.0.11, system is vulnerable.

Check Version:

Check via Sangfor admin interface or examine system configuration files for version information

Verify Fix Applied:

Verify system version shows 3.0.11 or 3.0.12 after upgrade. Test the /fort/portal_login endpoint with safe payloads to confirm command injection is no longer possible.

📡 Detection & Monitoring

Log Indicators:

  • Unusual command execution in system logs
  • Multiple failed login attempts with unusual loginUrl parameters
  • System process creation from web service user

Network Indicators:

  • HTTP requests to /fort/portal_login with suspicious parameters
  • Outbound connections from the Sangfor system to unexpected destinations

SIEM Query:

source="sangfor_logs" AND (url="/fort/portal_login" AND (loginUrl CONTAINS "|" OR loginUrl CONTAINS ";" OR loginUrl CONTAINS "$"))

🔗 References

📤 Share & Export