by Kastro
Paper/Archive/CVE-2026-76721

CVE-2026-76721

Hewlett Packard Enterprise (HPE) Instant ON — Unauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in HPE Networking Instant ON APs

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 46.3.463 × 209.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Buffer overflow vulnerability exists in the affected interface of HPE Networking Instant ON that could allow an unauthenticated remote attacker to run arbitrary code on the underlying host. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system.

Affected

ProductAffectedFixed inSource
Instant ON0.0.0.0 – 3.4.1.0–CNA

Scores by source

hpe (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refsupport.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05150en_us&docLocale=en_US