HPE Instant On up to 3.4.1.0 information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in HPE Instant On up to 3.4.1.0. This issue affects some unknown processing. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2026-76735. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in HPE Instant On up to 3.4.1.0. This affects an unknown code. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

A sensitive information disclosure vulnerability exists in the underlying operating system of HPE Networking Instant On. Successful exploitation could allow an authenticated local attacker with high privileges to retrieve information which could be used to potentially gain further access to network services supported by HPE Networking Instant On, only if certain preconditions outside of the attacker's control are met.

It is possible to read the advisory at support.hpe.com. This vulnerability is uniquely identified as CVE-2026-76735 since 08/19/2026. The exploitability is told to be easy. Attacking locally is a requirement. Additional levels of successful authentication are necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/29/2026). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-89354). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• HPE

Name

• Instant On

Version

• 3.4.0
• 3.4.1.0

License

• commercial

Website

• Vendor: https://www.hpe.com/

CPE 2.3info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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