CVE-2026-2564
📋 TL;DR
This vulnerability in Intelbras VIP 3260 Z IA devices allows attackers to bypass password recovery mechanisms through the /OutsideCmd endpoint. It affects systems running version 2.840.00IB005.0.T, potentially enabling unauthorized access to device administration. The attack can be launched remotely but requires significant technical sophistication.
💻 Affected Systems
- Intelbras VIP 3260 Z IA
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to reset administrative credentials, gain persistent access, and potentially pivot to internal networks.
Likely Case
Unauthorized password reset leading to temporary device access and configuration changes.
If Mitigated
Limited impact with proper network segmentation and monitoring detecting unusual password reset attempts.
🎯 Exploit Status
Vulnerability database indicates exploitation is difficult and attacks are highly complex, suggesting limited weaponization.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Upgrade to version newer than 2.840.00IB005.0.T
Vendor Advisory: Not provided in references
Restart Required: Yes
Instructions:
1. Check current firmware version. 2. Download latest firmware from Intelbras support portal. 3. Backup device configuration. 4. Apply firmware update via web interface. 5. Reboot device. 6. Restore configuration if needed.
🔧 Temporary Workarounds
Network Access Control
linuxRestrict access to /OutsideCmd endpoint using firewall rules
iptables -A INPUT -p tcp --dport 80 -m string --string "/OutsideCmd" --algo bm -j DROP
iptables -A INPUT -p tcp --dport 443 -m string --string "/OutsideCmd" --algo bm -j DROP
Disable Remote Administration
allTurn off remote management features if not required
🧯 If You Can't Patch
- Isolate affected devices in separate VLAN with strict access controls
- Implement network monitoring for unusual password reset attempts on port 80/443
🔍 How to Verify
Check if Vulnerable:
Check firmware version in device web interface under System > Firmware Information
Check Version:
curl -s http://device-ip/cgi-bin/getSystemInfo | grep FirmwareVersion
Verify Fix Applied:
Confirm firmware version is newer than 2.840.00IB005.0.T and test password recovery functionality
📡 Detection & Monitoring
Log Indicators:
- Multiple failed password recovery attempts
- Unusual requests to /OutsideCmd endpoint
- Successful password resets from unexpected IPs
Network Indicators:
- HTTP POST requests to /OutsideCmd with password reset parameters
- Traffic spikes on port 80/443 to affected devices
SIEM Query:
source="firewall.log" AND (url="/OutsideCmd" OR method="POST" AND uri CONTAINS "password")