CVE-2021-29082
📋 TL;DR
This vulnerability in certain NETGEAR WiFi systems allows unauthorized disclosure of sensitive information from affected devices. Attackers can potentially access confidential data without authentication. The vulnerability affects multiple NETGEAR Orbi WiFi 6 and WiFi 5 systems running outdated firmware versions.
💻 Affected Systems
- NETGEAR RBW30
- RBS40V
- RBK752
- RBK753
- RBK753S
- RBK754
- RBR750
- RBS750
- RBK852
- RBK853
- RBK854
- RBR850
- RBS850
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain access to sensitive device information, network credentials, or administrative access, potentially leading to complete network compromise and data exfiltration.
Likely Case
Unauthorized access to device configuration data, network settings, or other sensitive information that could facilitate further attacks.
If Mitigated
Limited information disclosure with no critical impact if proper network segmentation and access controls are implemented.
🎯 Exploit Status
Vulnerability allows information disclosure without authentication, making exploitation straightforward if accessible
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.1.4 for RBW30/RBS40V, 3.2.15.25 for others
Vendor Advisory: https://kb.netgear.com/000063005/Security-Advisory-for-Sensitive-Information-Disclosure-on-Some-WiFi-Systems-PSV-2020-0037
Restart Required: Yes
Instructions:
1. Log into router admin interface. 2. Navigate to Advanced > Administration > Firmware Update. 3. Check for updates and install latest firmware. 4. Reboot device after update completes.
🔧 Temporary Workarounds
Network Segmentation
allIsolate affected devices from critical network segments
Access Restriction
allRestrict network access to affected devices using firewall rules
🧯 If You Can't Patch
- Remove affected devices from internet-facing positions
- Implement strict network access controls and monitoring
🔍 How to Verify
Check if Vulnerable:
Check firmware version in router admin interface under Advanced > Administration > Firmware UpdateCheck Version:
Not applicable - check via web interfaceVerify Fix Applied:
Verify firmware version shows 2.6.1.4 or higher for RBW30/RBS40V, or 3.2.15.25 or higher for other models📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to device management interfaces
- Unusual information requests to device endpoints
Network Indicators:
- Unusual traffic patterns to device management ports
- Requests to sensitive device endpoints from unauthorized sources
SIEM Query:
Not provided in advisory