CVE-2026-32841
📋 TL;DR
This authentication bypass vulnerability in Edimax GS-5008PL switches allows unauthenticated attackers to gain administrative access to the management interface after any user authenticates. Attackers can change passwords, upload malicious firmware, and modify configurations. Organizations using GS-5008PL switches with firmware version 1.00.54 or earlier are affected.
💻 Affected Systems
- Edimax GS-5008PL
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete network compromise through malicious firmware upload, enabling persistent backdoors, credential theft, and network traffic interception.
Likely Case
Unauthorized configuration changes, password resets, and potential network disruption through switch reconfiguration.
If Mitigated
Limited impact if switches are isolated from untrusted networks and have strict access controls.
🎯 Exploit Status
Exploitation requires network access to the management interface and knowledge of the vulnerability mechanism.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.edimax.com/edimax/merchandise/merchandise_detail/data/edimax/us/smb_legacy_switches/gs-5008pl/
Restart Required: Yes
Instructions:
1. Check vendor website for firmware updates. 2. Download latest firmware. 3. Upload via management interface. 4. Reboot switch.
🔧 Temporary Workarounds
Network Isolation
allRestrict access to switch management interface to trusted networks only.
Access Control Lists
allImplement network ACLs to limit management interface access to authorized IP addresses.
🧯 If You Can't Patch
- Segment switches on isolated VLANs with strict firewall rules
- Monitor management interface access logs for unauthorized attempts
🔍 How to Verify
Check if Vulnerable:
Check firmware version via web interface or SSH: System > Firmware InformationCheck Version:
ssh admin@switch-ip show versionVerify Fix Applied:
Verify firmware version is newer than 1.00.54📡 Detection & Monitoring
Log Indicators:
- Multiple failed authentication attempts followed by successful administrative actions from new IPs
- Unauthorized firmware upload events
Network Indicators:
- Unusual management interface traffic from unexpected sources
- HTTP requests to administrative endpoints without authentication
SIEM Query:
source="switch-logs" AND (event_type="firmware_upload" OR event_type="config_change") AND user="unknown"🔗 References
- https://www.edimax.com/edimax/merchandise/merchandise_detail/data/edimax/us/smb_legacy_switches/gs-5008pl/
- https://www.edimax.com/edimax/merchandise/merchandise_list/data/edimax/us/smb_legacy_products/
- https://www.vulncheck.com/advisories/edimax-gs-5008pl-global-authentication-state-across-all-clients
