CVE-2025-37166
📋 TL;DR
A vulnerability in HPE Networking Instant On Access Points allows attackers to send specially crafted packets that cause devices to become unresponsive, potentially requiring physical reset. This enables denial-of-service attacks against affected networks. Organizations using vulnerable HPE Instant On Access Points are at risk.
💻 Affected Systems
- HPE Networking Instant On Access Points
⚠️ 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
Critical network infrastructure becomes completely unresponsive, requiring physical access to reset devices and causing extended network downtime.
Likely Case
Targeted access points become unresponsive, disrupting wireless connectivity in affected areas until manual intervention.
If Mitigated
With proper network segmentation and monitoring, impact is limited to isolated network segments with quick detection and recovery.
🎯 Exploit Status
Exploitation requires sending specially crafted packets to vulnerable devices, which appears straightforward based on vulnerability description.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check HPE advisory for specific patched firmware versions
Vendor Advisory: https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw04988en_us&docLocale=en_US
Restart Required: Yes
Instructions:
1. Check HPE advisory for affected firmware versions. 2. Download latest firmware from HPE support portal. 3. Upload firmware to Instant On controller. 4. Schedule maintenance window. 5. Apply firmware update to all affected access points. 6. Verify devices are operational post-update.
🔧 Temporary Workarounds
Network Segmentation
allIsolate access points in separate VLANs to limit blast radius if exploited
Access Control Lists
allImplement ACLs to restrict traffic to access points from trusted sources only
🧯 If You Can't Patch
- Implement strict network segmentation to isolate access points from untrusted networks
- Deploy network monitoring to detect and alert on unusual traffic patterns targeting access points
🔍 How to Verify
Check if Vulnerable:
Check firmware version on HPE Instant On Access Points via Instant On controller interface and compare against HPE advisoryCheck Version:
Check via Instant On controller web interface or API; specific CLI commands vary by device modelVerify Fix Applied:
Verify firmware version has been updated to patched version and monitor device responsiveness📡 Detection & Monitoring
Log Indicators:
- Access point becoming unresponsive in logs
- Multiple connection timeouts to access points
- Unusual packet patterns in network logs
Network Indicators:
- Sudden drop in wireless connectivity
- Unusual traffic spikes to access point management interfaces
- Access points not responding to ping/management queries
SIEM Query:
source="network_device" AND (event_type="device_unresponsive" OR event_type="connection_timeout") AND device_vendor="HPE" AND device_model="Instant On"