CVE-2025-37166
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA vulnerability affecting HPE Networking Instant On Access Points has been identified where a device processing a specially crafted packet could enter a non-responsive state, in some cases requiring a hard reset to re-establish services. A malicious actor could leverage this vulnerability to conduct a Denial-of-Service attack on a target network.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceA denial-of-service vulnerability exists in HPE Networking Instant On Access Points where processing a specially crafted packet causes the device to enter a non-responsive state. In some cases, this condition persists even after reboot, requiring a hard reset of the device to restore network services.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the device firmware versionAccess the HPE Instant On mobile app or web interface, navigate to the Access Point settings or device inventory section, and record the displayed firmware version numberAffected if The installed firmware version is lower than the vendor's patched version (compare against HPE's official CVE disclosure for the fixed version number)
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Confirm the device is an Instant On Access PointVerify through the Instant On app or web UI that the affected device is specifically an HPE Networking Instant On series Access Point (model numbers such as AP11, AP12, AP22, AP25, or similar Instant On variants)Affected if The device is an HPE Networking Instant On Access Point running the vulnerable firmware
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Verify the device is operational and processing trafficCheck through the Instant On dashboard that the Access Point is online, broadcasting SSIDs, and actively serving client connections or forwarding trafficAffected if The AP is deployed and processing network packets (the vulnerability is triggered by receiving specially crafted packets during normal operation)
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Assess network exposure of the AP management interfaceReview the network configuration to determine if the Instant On AP's management interface is accessible from untrusted networks or the internet rather than being isolated behind a firewall or NATAffected if The management or control plane interface is directly exposed to untrusted network segments where malicious packets could reach the device
A user is affected if their HPE Networking Instant On Access Point runs a firmware version lower than the vendor's patched version and the device is processing network traffic or has its management interface accessible to potential attackers.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor-provided firmware patches when available; prior to patch deployment, implement network segmentation and traffic filtering to block potentially malicious packets at the network perimeter.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA3.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2025-37166 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-37166 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
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