CVE-2025-37166 Unexpected shutdown in HPE Instant On Access Points after processing specific packets
Attackers can cause HPE Instant On Access Points to become unresponsive via crafted packets, requiring a hard reset to restore service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-37166?
CVE-2025-37166 is a high-severity denial of service vulnerability in Hewlett Packard Enterprise (HPE) Instant On, published on 13 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A 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.
Weakness: CWE-770
Which versions are affected by CVE-2025-37166?
How do I fix CVE-2025-37166?
No fix has been published for CVE-2025-37166 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-37166 being exploited?
There is no known exploitation of CVE-2025-37166 in the wild and no public exploit code.
Sources
Also known as GHSA-m62x-gm5x-3x29.