CVE-2024-28011
📋 TL;DR
This CVE describes a critical hidden functionality vulnerability in multiple NEC Aterm router models that allows unauthenticated remote attackers to execute arbitrary operating system commands with root privileges via the internet. All listed router models in all versions are affected, making this a widespread risk for organizations using these devices.
💻 Affected Systems
- NEC Corporation Aterm WG1800HP4
- WG1200HS3
- WG1900HP2
- WG1200HP3
- WG1800HP3
- WG1200HS2
- WG1900HP
- WG1200HP2
- W1200EX(-MS)
- WG1200HS
- WG1200HP
- WF300HP2
- W300P
- WF800HP
- WR8165N
- WG2200HP
- WF1200HP2
- WG1800HP2
- WF1200HP
- WG600HP
- WG300HP
- WF300HP
- WG1800HP
- WG1400HP
- WR8175N
- WR9300N
- WR8750N
- WR8160N
- WR9500N
- WR8600N
- WR8370N
- WR8170N
- WR8700N
- WR8300N
- WR8150N
- WR4100N
- WR4500N
- WR8100N
- WR8500N
- CR2500P
- WR8400N
- WR8200N
- WR1200H
- WR7870S
- WR6670S
- WR7850S
- WR6650S
- WR6600H
- WR7800H
- WM3400RN
- WM3450RN
- WM3500R
- WM3600R
- WM3800R
- WR8166N
- MR01LN
- MR02LN
- WG1810HP(JE)
- WG1810HP(MF)
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the router with root access, allowing attackers to intercept all network traffic, pivot to internal networks, install persistent malware, or use the device as part of a botnet.
Likely Case
Attackers gain full control of the router to monitor network traffic, steal credentials, redirect DNS, or use the device for further attacks on the internal network.
If Mitigated
If properly segmented and monitored, impact could be limited to the router itself, though credential theft and initial access to the network would still be possible.
🎯 Exploit Status
The vulnerability description indicates it can be exploited via the internet without authentication, suggesting low complexity exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific firmware updates
Vendor Advisory: https://jpn.nec.com/security-info/secinfo/nv24-001_en.html
Restart Required: Yes
Instructions:
1. Visit the NEC security advisory page. 2. Identify your specific router model. 3. Download the latest firmware from NEC's support site. 4. Log into router admin interface. 5. Navigate to firmware update section. 6. Upload and apply the new firmware. 7. Reboot the router.
🔧 Temporary Workarounds
Disable WAN Management
allDisable remote management/administration from the internet to prevent exploitation
Network Segmentation
allPlace affected routers in a DMZ or isolated network segment to limit potential damage
🧯 If You Can't Patch
- Replace affected routers with non-vulnerable models immediately
- Implement strict network segmentation and firewall rules to isolate the router from critical internal resources
🔍 How to Verify
Check if Vulnerable:
Check if your router model is in the affected products list. All versions of listed models are vulnerable.Check Version:
Log into router admin interface and check firmware version in system status or about pageVerify Fix Applied:
After updating firmware, verify the version matches or exceeds the patched version specified in the vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Unusual login attempts to router admin interface
- Unexpected firmware update attempts
- Suspicious command execution in router logs
Network Indicators:
- Unusual outbound connections from router
- DNS hijacking or redirection
- Unexpected traffic patterns from router
SIEM Query:
source="router_logs" AND ("command execution" OR "root access" OR "unauthorized access")