Unexpected shutdown in HPE Instant On Access Points after processing specific packets

published 2026-01-13 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-2189

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 9 mo ago (2026-01-13)

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Hewlett Packard Enterprise (HPE) Instant On

Classification

Weakness

CWE-770 Allocation of Resources Without Limits or Throttling

References

support.hpe.com /hpesc/public/docDisplay?docId=hpesbnw04988en_us&docLocale=en_US

Sources

CVE List CVE-2025-37166
NVD CVE-2025-37166

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Summary