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    CVE-2026-76729

    A format string vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attacker with high privileges to cause memory corruption with a modified input. Successful exploitation could allow an attacker to provoke a denial-of-service condition or remote code execution in the affected system function.

    Published:Sep 29, 2026
    Last Modified:Sep 30, 2026
    EPS:Sep 29, 2026
    EPSS Score:0.00423
    CVSS Score:6.6

    Affected Products

    Vendor
    Hewlett Packard Enterprise (hpe)
    Product
    Instant On

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-135 Format String Injection
    CAPEC-67 String Format Overflow in syslog()

    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-2026-76728 (CVSS 7.2) — A vulnerability in the API endpoint of HPE Networking Instant ON APs could allow an authenticated remote attac…

    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