KUNBUS piControl 2.6.2 Process-Image Management out-of-bounds write

Summaryinfo

A vulnerability was found in KUNBUS piControl 2.6.2. It has been declared as very critical. Impacted is an unknown function of the component Process-Image Management. Such manipulation leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2026-13196. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in KUNBUS piControl 2.6.2. It has been rated as very critical. Affected by this issue is some unknown processing of the component Process-Image Management. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Nozomi Networks Labs identified a CWE-787: Out-of-bounds Write vulnerability in the process-image management functionality of KUNBUS piControl in version 2.6.2 that allows a local authenticated attacker with device configuration access to write attacker-controlled data outside the bounds of the process-image buffer and corrupt adjacent kernel memory, resulting in kernel memory corruption and denial of service, by supplying crafted device configuration data and crafted input through the piControl character device.

The advisory is shared for download at nozominetworks.com. This vulnerability is handled as CVE-2026-13196 since 06/24/2026. The exploitation is known to be easy. The attack needs to be approached locally. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/14/2026).

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

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Productinfo

Vendor

• KUNBUS

Name

• piControl

Version

• 2.6.2

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CPE 2.2info

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