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    CVE-2026-76721

    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.

    Published:Sep 29, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 29, 2026
    EPSS Score:0.00556
    CVSS Score:9.8

    Affected Products

    Vendor
    Hewlett Packard Enterprise (hpe)
    Product
    Instant On

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-76738 (CVSS 2.7) — A buffer overflow vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an au…
    CVE-2026-76737 (CVSS 3) — An authenticated path traversal vulnerability exists in the command line interface of HPE Networking Instant O…
    CVE-2026-76736 (CVSS 3.3) — A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On. Succes…
    CVE-2026-76735 (CVSS 4.1) — A sensitive information disclosure vulnerability exists in the underlying operating system of HPE Networking I…
    CVE-2026-76734 (CVSS 4.8) — A memory corruption vulnerability in the affected interface of HPE Networking Instant On could allow an unauth…
    CVE-2026-76733 (CVSS 4.9) — A denial-of-service vulnerability exists in the API endpoint of HPE Networking Instant On that could allow an …
    CVE-2026-76732 (CVSS 6.4) — A local privilege-escalation vulnerability has been discovered in the affected daemon of HPE Networking Instan…
    CVE-2026-76731 (CVSS 6.5) — An authentication bypass vulnerability in the captive portal of HPE Networking Instant On could allow an unaut…
    CVE-2026-76730 (CVSS 6.5) — An authentication bypass vulnerability exists in the PAPI protocol of HPE Networking Instant ON APs that could…
    CVE-2026-76729 (CVSS 6.6) — A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticate…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High