CVE-2026-76726High· 8.1▾ TwilightAn authentication bypass vulnerability in the API endpoint of HPE Networking Instant ON could allow an unauthenticated remote attacker to bypass network access controls if certain preconditions outside of the attacker's control are met. …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 44.6 · likelihood 0 · exploitation 0
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An authentication bypass vulnerability in the API endpoint of HPE Networking Instant ON could allow an unauthenticated remote attacker to bypass network access controls if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to obtain unauthorized access to restricted networks.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-76721Critical· 9.8Buffer 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
CVE-2026-76736Low· 3.3A buffer overflow vulnerability exists in the underlying operating system of HPE Networking Instant On
CVE-2026-76722Critical· 9.8Uncontrolled Format string vulnerabilities exist in the affected interface of HPE Networking Instant ON APs that could allow an unauthenticated remote attacker to run arbitrary commands on the underlying host
CVE-2026-76723Critical· 9.6Buffer overflow vulnerabilities exist in the affected interface of HPE Networking Instant ON APS that could allow an unauthenticated adjacent attacker to achieve remote code execution
CVE-2026-76725Critical· 9.6A vulnerability has been identified in a management protocol of HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to circumvent existing authentication controls
CVE-2026-76724Critical· 9.6A command injection vulnerability exists in CLI of the affected HPE Networking Instant ON APs that could allow an unauthenticated adjacent attacker to perform command injection by sending specially crafted packets